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Related Questions
The illustration shows volume levels of a liquid in a graduated cylinder before and after a mineral sample was placed into the graduated cylinder.
liquid, only, liquid, and, mineral,
According to this information, what was the volume of the mineral sample to the nearest milliliter?
9 mL
11 mL
47 mL
48 mL
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Answer:
It's D.
Explanation:
Have a nice day.
How do living and nonliving things differ?
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Answer:
Hey mate.....
Explanation:
This is your answer,
Living things differ from non living things through motion, action, expression, way of living and etc......
Livings things:-
1. Livings things means something that keeps on moving or doing any particular work.
2. Livings things mostly consume, remove, and reproduce through different ways.
3. Examples of livings things are humans, animals, birds, reptiles, and even the germs like bacteria, fungi, ameoba and etc....
Non Livings things:-
1. Non Living things means something that just stays like a statue usually and never move or do a particular work.
2. Non living things do not consume, remove or reproduce anything.
3. Examples of non living things are table, chair, fan, house, book etc....
hope it helps you mate....
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Of the first 103 elements, how many have 2 letters in their symbols?
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Can anyone help me out with these questions
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Answer:
2. B It is the outermost layer of Earth, composed of solid rock and divided into sections called plates. 3. B The inner core is kept solid by the intense pressure of all the layers above it.
Explanation:
Put two books on top of your wooden block and calculate the sliding force of friction. Write your answer below. Sliding force of friction with weights 4.2 newtons. How does weight influence the sliding force of friction? Explain using the data above.
PLEASE HELP
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Answer:
I need this answer too!!!!!!!!!
Explanation:
What is the difference between a homogeneous and heterogeneous mixture?
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Ex: Cereal in milk or ice in soda
A heterogeneous mixture is a mixture that is mixed well. ( you can’t see the different parts)
Ex: Rain or air
This is an example of a homogeneous mixture. In this type of mixture, the components are evenly distributed throughout and the mixture has a uniform appearance. You shouldn't be able to pick out the individual components. Additionally, you can describe a homogeneous mixture as having only one phase. A phase is any part of the mixture that has the same chemical properties and uniform distribution of the components.
Heterogeneous
When you're eating a bowl of cereal, you are consuming a heterogeneous mixture. You can easily see the different things that make up this mixture: the milk and the cereal. Each spoonful will have different distributions of the components.
A heterogeneous mixture has components that are not evenly distributed. This means that you can easily distinguish between the different components. A heterogeneous mixture has two or more phases. This doesn't necessarily mean phases of matter, like liquid or solid. For example, a mixture of water and oil has two liquid phases. Each phase has its own distinct chemical properties.
I need help on this so can someone please help? :))
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Please help ASAP I will give 19 points please help
Don’t answer if you don’t know it, if you answer that is really rude because I need the answer and only 1 more person would be able to answer not 2 people to not answer if you have no answer. I am making it clear again DO NOT ANSWER IF YOU DONT KNOW THE ANSWER
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Answer:
Can you pls clarify this
Explanation:
I dont
Which of the following is a combination of more than on simple machine?
A.Pulley
B.Wedge
C.Scissors
D.Incline
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Answer:
D.
Explanation:
Answer:
It is D. Incline
Which of the following elements does NOT need to be diatomic to exist in nature?
A. Hydrogen
B. Oxygen
C. Carbon
D. Nitrogen
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Which one is right pls help
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Answer:
The answer is Electron
Explanation:
Answer:
the answer is electron
HELPPPPP
How does the acceleration of an object affect its force?
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This separation of charge on (blank) of the molecule is called (blank).
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Answer:
Polar and Non-Polar Molecules
Explanation:
What are three ways that synthetic materials benefit human society?
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Answer:
The benefits in synthetics are many, they have properties that we can't find in nature, they allow us to make things stronger, lighter, more fuel-efficient, shiner, longer lasting. And at the same time, we do add to the pollution of our world, affect the health of animals and humans, and requires energy to make.
Explanation:
Synthetic materials, also known as man-made or artificial materials, have made significant contributions to human society. Like Improved Performance and Durability, Expanded Range of Applications, etc.
Here are three ways in which synthetic materials benefit us:
Synthetic materials often possess superior properties compared to natural materials, such as increased strength, durability, and resistance to wear and tear.
Expanded Range of Applications: Synthetic materials have opened up new possibilities by offering characteristics that may not be readily available in nature.
Resource Conservation and Environmental Benefits: Synthetic materials can help conserve natural resources by providing alternatives to scarce or unsustainable materials.
Thus, while synthetic materials have numerous benefits, it is essential to consider their environmental impact throughout their lifecycle, including disposal and potential hazards.
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Pollen is transferred from the stamen of one flower to the stigma of another. What has occurred?
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the hydrogen atoms are (blank) to one side of the oxygen atom, resulting in a water molecule having a positive charge on the side where the hydrogens reside and a negative charge on the other side, where the oxygen atom resides.
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Answer:
gngbfvgnbgfdzfxc
Explanation:
Scientists have been studying four populations in one area of the Atlantic Ocean. In this area, both tuna and dolphins eat squid, and squid eat herring (a type of fish).
The data shows that recently the tuna population increased. How will the increase in the tuna population affect the other populations? Be sure to explain whether the dolphin population, the squid population, and the herring population will change, and why.
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Answer:
the squid population could decrease, because the tuna population is increasing and they would eat more squid, so the dolphin population would also decrease because there would be less squid to eat, and because there are less squid the herring population would increase.
In trophic webs, there is an equilibrium between species until a change occurs. The increase in tuna's population causes a decrease in dolphins' and squids' populations, and an increase in herring's one.
------------------------
To answer this question, let us first review some theoretical framework.
The trophic web is a relationship process between different organisms, through which occurs transference of energy.
The ones placed at lower levels pass energy to the ones at the higher levels.
Organisms at each level feed on the preceding one and become food for the next one.
The first link corresponds to a producer organism -autotroph-. The following links are the consumers -heterotrophs-: herbivores and carnivores. The last links are the decomposers that degrade organic matter from dead organisms.As it is a web, all organisms are equilibrated until a change occurs.
When the change affects any of the involved links, there can be a cascade effect on the web.
A change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.
Also, when two or more species are competing for the same source of food, a change in any of the population sizes will affect the other ones.
Now, let us analyze the exposed example.
We know that,
tuna and dolphins eat squid, squid eat herring.We need to figure out what is the cascade effect caused by the increase in the tuna population.
Tuna and DolphinsWe know that tuna and dolphins compete for food items -squids-.
An increase in the number of tuna individuals means a higher competition pressure for dolphins.
The more tuna there are, the more squids they eat, and the less food available there is for dolphins.
Since there are not enough squids for dolphins, their population decreases in size.
Dolphins are negatively affected by tuna's increase.
**** Tuna population increases ⇒ Dolphins population decreases ****
Tuna and Squids
Tuna applies a significant predation pressure on squids, which are their main source of food.
The more tuna there are, the more squids they eat.
Squids probably can not reach sexual maturity or do not get to successfully reproduce, because they are eaten by tuna.
So squids population is negatively affected by the tuna population increase.
**** Tuna population increases ⇒ Tuna population decreases. ****
Herring and SquidsSince squids feed on herring, any change in squids' population size affects herrings directly.
When the squids' population decreases in size, the herring population increases. More fishes get to survive and successfully reproduce.
The predation pressure of squids on herring decreases.
The herring population is positively affected by the squids' population decrease.
*** Squids population decreases ⇒ Herring population increases. ***
Summing up, the cascade effect is as follows,
Tuna population increasesDolphin population decreasesSquids population decreasesHerring population increases---------------------------
You can learn more about trophic webs at the following link: https://brainly.com/question/516534?referrer=searchResults
Please look at these, i'm confused, i need the questions answered, and i need a graph or just need to know how to make the graph (idk how).
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When you graph anything your points are made up of an x value and a y value (x,y).
You’re going to use the voltage as your x value and the average number of paper clips picked up at that given voltage as your y value.
I’ll do the first one for you! For the 25-turn electromagnet at a voltage of 1.5V the average number of paper clips picked up was 6. Giving us the point (1.5,6) that’s what you should be graphing. Do the same for all of the others.
Comment if you need more clarification! I hope this helps!
What causes the electrons to move and form static electricity?
moist air
dry air
friction
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Answer:
friction
Explanation:
The rubbing of certain materials against one another can transfer negative charges, or electrons.
The friction generating between the surface of two objects causes the electrons to move from one body to the other and form static electricity. Hence, option c is correct.
What is static electricity ?Static electricity is the flow of electrons that occurs due to the temporary polarization of two bodies. When a conducting surface rub on other surface, they gets electrons by frictional force.
These free flow of electrons make them negatively charged. When this negatively charged body comes in contact with a non conducting surface they latter gets polarized by the electrons of negatively charged body.
The positive charges of the nonconducting surface gets attracted to the negative body and the electrons flow from the negatively charged body to the partially polarized positive body. This is called static electricity.
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What is needed in order to create nuclear power? CHECK ALL THAT APPLY.
Uranium
Carbon
Atoms
Oxygen
Molecules
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Answer:
uranium and atoms
Explanation:
A batter hits two balls during practice. Ball A travels 10 meters, while ball B travels 12 meters. The batter decides to hit ball A with less force. How will this change the motion of ball B?
The motion of ball B will increase.
The motion of ball B will decrease.
The motion of ball B will stay the same.
The motion of ball B will become the same as ball A.
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Answer:
C. the motion of ball b will stay the same
Energy can be neither created nor destroyed. This fact means that even though energy sources can be depleted (used up), the energy in them is not destroyed. Instead, it is transformed to other forms of energy. And almost all energy resources here on Earth can have their energy traced back to the Sun’s gravitational or light energy.
Electricity is often thought of as a secondary source of energy because it must be gained by transforming some other kind of energy (a primary source). Think about where the electricity generated by a wind turbine comes from. Describe the path that wind energy takes from the Sun’s light to electricity.
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Hope this helps :)
Magnesium is a metal with two electrons in its outermost energy level. When it becomes an ion, what happens to its valence electrons? What happens to its charge?
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Answer:The answer to your question is Mg loses its valence electrons and acquire a positive charge (Mg⁺²).
Explanation:
Answer:
When it becomes an ion, it donates its valence electrons and becomes positively charged. The positively charged ion would be Mg²⁺ because it loses two electrons. It would have 12 protons and 10 electrons.
Hope that helps.
____ relating to the separation of charges in a molecule
___ meaning to repel water, literally “fear of water”
__ this term describes the force of attraction between adjacent water molecules.
___ meaning attracted to water or literally “water loving”
___ term describing the tensional force created by water at its boundary with air
Word bank: Hydrophobic, Hydrophilic, surface tension, cohesion, polarity
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Answer:1.polarity
2. Hydrophobic
3. Cohesion
4. Hydrophilic
5. Surface tension
Explanation:
If density is calculated by mass divided by volume and the mass increases, what would happen to the density of an object?
Would it increase or decrease?
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New Orleans has an altitude at and below sea level, a latitude near the Tropic of Cancer (the equator-zone), is surrounded by water, and has no mountains near by. What would you expect the climate to be?
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Answer:
Rainy, sunny and humid.
Explanation:
Which type of variable is kept the same throughout an experiment?
Constant variable
Measured variable
Outcome variable
Test variable
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Answer:
Constant variable.
What is the function of a cell wall?
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Please help meeeee!!!!!!!
There is a big push right now in trying to rely on nonrenewable resources for the majority of our energy needs. Should we even try to power the world with 100% renewable resources? Justify your reasoning
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Answer: Non-renewable energy comes from sources that will run out or will not be replenished in our lifetimes—or even in many, many lifetimes.
Most non-renewable energy sources are fossil fuels: coal, petroleum, and natural gas. Carbon is the main element in fossil fuels. For this reason, the time period that fossil fuels formed (about 360-300 million years ago) is called the Carboniferous Period.
All fossil fuels formed in a similar way. Hundreds of millions of years ago, even before the dinosaurs, Earth had a different landscape. It was covered with wide, shallow seas and swampy forests.
Plants, algae, and plankton grew in these ancient wetlands. They absorbed sunlight and created energy through photosynthesis. When they died, the organisms drifted to the bottom of the sea or lake. There was energy stored in the plants and animals when they died.
Over time, the dead plants were crushed under the seabed. Rocks and other sediment piled on top of them, creating high heat and pressure underground. In this environment, the plant and animal remains eventually turned into fossil fuels (coal, natural gas, and petroleum). Today, there are huge underground pockets (called reservoirs) of these non-renewable sources of energy all over the world.
Advantages and Disadvantages
Fossil fuels are a valuable source of energy. They are relatively inexpensive to extract. They can also be stored, piped, or shipped anywhere in the world.
However, burning fossil fuels is harmful for the environment. When coal and oil are burned, they release particles that can pollute the air, water, and land. Some of these particles are caught and set aside, but many of them are released into the air.
Burning fossil fuels also upsets Earth’s “carbon budget,” which balances the carbon in the ocean, earth, and air. When fossil fuels are combusted (heated), they release carbon dioxide into the atmosphere. Carbon dioxide is a gas that keeps heat in Earth’s atmosphere, a process called the “greenhouse effect.” The greenhouse effect is necessary to life on Earth, but relies on a balanced carbon budget.
The carbon in fossil fuels has been sequestered, or stored, underground for millions of years. By removing this sequestered carbon from the earth and releasing it into the atmosphere, Earth’s carbon budget is out of balance. This contributes to temperatures rising faster than organisms can adapt.
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