Answer:Earth is a truly unique in its abundance of water. Water is necessary to sustaining life on Earth, and helps tie together the Earth's lands, oceans, and atmosphere into an integrated system. Precipitation, evaporation, freezing and melting and condensation are all part of the hydrological cycle - a never-ending global process of water circulation from clouds to land, to the ocean, and back to the clouds. This cycling of water is intimately linked with energy exchanges among the atmosphere, ocean, and land that determine the Earth's climate and cause much of natural climate variability. The impacts of climate change and variability on the quality of human life occur primarily through changes in the water cycle. As stated in the National Research Council's report on Research Pathways for the Next Decade (NRC, 1999): "Water is at the heart of both the causes and effects of climate change."
Hope this is helpfull
Explanation:
Just so everyone knows HEY PLS DON'T JOIN THE ZOOM CALL OF A PERSON whose ID IS 825 338 1513 (i'm NOT SAYING THE PASSWORD) HE IS A CHILD PREDATOR AND A PERV. HE HAS LOTS OF ACCOUNTS ON BRAINLY BUT HIS ZOOM NAME IS MYSTERIOUS MEN. HE ASKS FOR GIRLS TO SHOW THEIR BODIES AND -------- PLEASE REPORT HIM IF YOU SEE A QUESTION LIKE THAT. WE NEED TO TAKE HIM DOWN!!! PLS COPY AND PASTE THIS TO OTHER COMMENT SECTIONS TO SPREAD THE WORD.
Lan tries to make a 10 W lightbulb light up by connecting it to a battery with
an insulated copper wire. When the lightbulb does not light up, she assumes
that the battery is dead. What can she do to make an electric current flow
through the lightbulb?
A. Replace the battery with a coil of the wire, and then pass a magnet
back and forth through the coil.
B. Replace the battery with a magnet, and then pass a piece of wire
back and forth over the magnet.
O C. Wrap a magnet with several coils of the wire, and then hold the
lightbulb close to the wire.
D. Wrap the lightbulb with several coils of the wire, and then hold a
magnet close to the wire.
Answer:
A
Explanation:
When a magnet passes through something that's copper, there is a reaction that generates an electric pulse. Passing a magnet back and forth through the wire is much more likely to generate the electrical charge needed then the other options given.
Lan can replace the battery with a coil of the wire, and then pass a magnet back and forth through the coil to make an electric current flow through the lightbulb. Hence option (A) is correct.
What is electromagnetic induction ?The generation of an electromotive force (emf) across an electrical conductor in a fluctuating magnetic field is known as electromagnetic or magnetic induction.
Induction was first observed in 1831 by Michael Faraday, and James Clerk Maxwell mathematically named it Faraday's law of induction. The induced field's direction is described by Lenz's law. One of the four Maxwell equations in his theory of electromagnetic, the Maxwell-Faraday equation is a generalization of Faraday's law.
When Lan replace the battery with a coil of the wire, and then pass a magnet back and forth through the coil, it generates electromagnetic induction and electric current flows through the lightbulb.
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What is the density at 20oC of 12.0 milliliters of a liquid that has a mass of 4.05 grams?0.338 g/mL
2.96 g/mL
16.1 g/mL
48.6 g/mL
The density at 20°C of 12.0 milliliters of a liquid that has a mass of 4.05 grams is 0.3375g/mL.
HOW TO CALCULATE DENSITY:
The density of a liquid can be calculated by dividing the mass of the liquid by its volume. That is;Density (g/mL) = mass (g) ÷ volume (mL)According to this question, a liquid at 20°C has a volume of 12.0 milliliters and a mass of 4.05 grams. The density is calculated as follows:Density (g/mL) = 4.05g ÷ 12mLDensity of liquid (g/mL) = 0.3375g/mLTherefore, the density at 20°C of 12.0 milliliters of a liquid that has a mass of 4.05 grams is 0.3375g/mL.Learn more about how to calculate density at: https://brainly.com/question/2040396?referrer=searchResults
true or false:
warm air sinks and cold air rises
EASY POINTS!
AND BraINliEsT!
Answer:
False
Explanation:
Hot air is lighter and cold air is heavier so hot air rises and cold air sinks.
What is the acceleration of the car at segment C?
30 m/s2
–30 m/s2
40 m/s2
–40 m/s2
Answer:
-30 m/s2
Explanation:
Which of these is a characteristic of warm air?
It transfers energy through radiation.
Its molecules are far apart.
It sinks due to convection.
It cools the land below it.
Answer:
it transfers energy through radiation because its molecoules are far apart
Answer: Last option is correct.
Explanation:
What is the gravitational force between two cars (one car is 900 kg and the other car is 800 kg) in a parking lot that is three meters from each other?
What is the gravitational force between two cars (one car is 1500 kg and the other car is 1000 kg) in a parking lot that are six meters from each other?
Answer:
What is the definition of Acceleration, velocity, speed and displacement? Changing ... Melissa is running to the senior lot to get to her car, she decelerates from 10m/s to 0.4m/s in ... 3. What two variables affect the gravitational attraction between two objects? ... One skater's mass is 60 kg and the other's mass is 72 kg. If the.
Explanation:
Which statement describes an example of static electricity?
O A. When a light switch is flipped, electrons flow to a lightbulb.
O B. Positively and negatively charged particles are attracted to each
other.
O C. Wind turns a generator, causing electrons to flow into power lines.
O D. Electrons move from one end of a copper wire to another.
Positively charged and negatively charged particles of material are attracted by each other. Therefore, statement (B) is an example of static electricity.
What is static electricity?Static electricity can be described as an imbalance between the electric charges in an object, which is actually the imbalance between the positive and the negative charges on a body.
The imbalance in the charge is described the static electricity. The contact between solid objects is one of the most common causes of static electricity.
In static electricity, the movement of protons cannot be possible and the movement of electric charge is due to electrons. Electrons in materials are held loosely, so they can be easily exchanged via simple contact such as rubbing.
Such charges can be collected on the surface of a body until they find a to get discharged. The way to discharge is generally through a circuit. Static electricity is the electric field that is generated due to stationary charges. The electric charges on the surface involve which combine the static electricity on the material.
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What is the highest frequency wave? The lowest frequency wave?
PLEASE HELP! WRITTEN RESPONSE!
Answer:
Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.
Explanation:
Hope this helps:)
Answer:
1. gamma rays 2. Radio waves
Explanation:
What is your hypothesis (or hypotheses) for this experiment?
This lab is about density
Based on the weather map, state the direction of the warm front. Using complete sentences predict the effect of the warm front on any one city shown on the map. Will this prediction always come true? Why or why not?
Answer:
Yes and No because it is warm in one spot and cold in the other.
Explanation:
Answer: it is not right because it's raining .
Explanation:
. Friction is a rubbing force that ___________ a spinning yo-yo.
slows down
speeds up
adds energy to
does not affect
Answer:
i think add energy
Explanation:
A flashlight demonstrates the following type of energy transformations.
Chemical into Electricity into Light, Sound, Heat and Chemical
Chemical into Light, Sound, Heat and Chemical
Electricity into Chemical into Light and Sound
Electricity into Heat into Sound and Chemical
Answer:
Electricity into Chemical into Light and Sound.
Explination:
Hope this helps, I'm not sure if this is the right answer, though.
PLS ANSWER!!! WILL GIVE BRAINLIESTAND 50 POINTS!!!!! Copernicus determined, for each planet, the approximate (1)______ of (2)______ required to orbit around the sun.
Question 1:
A. Period
B. Orbit
C. Distance
D. Cycle
Question 2:
A. Revolution
B. Rotation
C. Orbit
D. Distance
Answer:
period of revolution
Explanation:
....
how is the preodictable arranged by atomic mass, coloms , and rows
Answer:
bc it has prdiction and your first prediction the second and thirds
Which trail is it? Answer!
RIDDLE
A logician with some time to kill in a small town decided to get a haircut. The town had only two barbers, each with his own shop. The logician glanced into one shop and saw that it was extremely untidy. The barber needed a shave, his clothes were unkempt, his hair was badly cut. The other shop was extremely neat. The barber was freshly shaved and spotlessly dressed, his hair neatly trimmed. Why did the logician return to the first shop for his haircut?
who ever gets it right get the brainiest
Answer :First Man
Explanation :He went to the first one bc he knew nobody would be there so he could kill him and nobody will notice bc there at the first man shopBuild your turkey on slide 3 Write a story about your turkey on slide 4 i need this soon pls hurry heres what you need to know
Name:Hermy
Age:15
Height:5,5
Weigh:115.01
City: london
Country: united kingdom
Read the excerpt from "Healthy Eating."
But no one can ignore the damage being wrought by all this bad eating. More than one out of three adults in the United States -- 37.5 percent -- are obese, according to the Centers for Disease Control and Prevention. Some of the leading causes of death -- heart disease, stroke and type 2 diabetes -- are directly linked to obesity. And childhood obesity has tripled in the last 30 years. With more than a third of kids between 6 and 19 considered obese, the CDC reports, they are at substantially more risk for developing cardiovascular disease, diabetes, bone and joint conditions, and cancer.
The author's argument that a poor diet can be harmful to a person's health is _____________________.
ineffective, because it lacks clear and reasonable evidence.
ineffective, because it leaves the reader with questions.
effective, because it addresses and refutes a counterclaim.
effective, because it includes facts from a credible source.
Answer:
I think c hope this helpss
Describe the difference between a transverse wave and longitudinal wave. Include the parts that you would find on a transverse wave and longitudinal wave. Give an example of each.
PLEASE HELP! ITS A WRITTEN RESPONSE!
Answer:
A transverse wave is a moving wave in which the current is perpendicular to the direction of the wave or path of propagation. A longitudinal wave are waves in which the displacement of the median is in the direction of the propagation.
Explanation:
hi
Which object would be more difficult to get to a velocity of 10 cm/s a 20 kg bowling ball or a 1 kg tennis ball? Why? Use the terms force, mass, and velocity in your explanation.
Answer:
im on a winning streak. :)
Explanation:
what is the speed of the object in the graph? Explain
Answer:
0.8m per second
Explanation:
we measure speed as distance over time
distance=8m
time=10s
therefore speed = 8/10
=0.8m per second
Genes are organized on matching pairs of _______.
Answer:
homologous chromosomes
Explanation:
Can someone help me with this I'm-- never mind I would just like help..
What do the key results indicate?
ED 2020
The density with balls
What is the gravitational force between two cars (one car is 1500 kg and the other car is 1000 kg) in a parking lot that are three meters from each other?
Answer: Your answer 0.000002500737 in pounds-force!
Explanation: Hope my answer helped you! Plz, mark my answer as Brainliest and Thank you!
Mateo and Jackie were on a playground rolling some different-sized balls to get them to crash. They used a tennis ball (the same mass) in both crashes. They tried two soccer balls—a pink one (more mass) for Crash 1 and a blue one (less mass) for Crash 2.
Mateo and Jackie want to know what happened to the tennis ball. Use information from the diagram to answer.
In which crash did the tennis ball experience a stronger force? How do you know?
a
Crash 1; the force on the soccer ball was stronger in this crash, so the force on the tennis ball was also stronger.
b
There was no force on the tennis ball. In each crash, only the soccer ball experienced a force.
c
It was the same in both crashes. The soccer ball changed speed by the same amount in each crash, so the force on the tennis ball was the same both times.
d
The diagram doesn’t tell you anything about the force on the tennis ball. It only gives information about the force on the soccer balls.
Answer:
In crash one, because the pink soccer ball had more mass, so it would have a stronger force.
Force is mass multiplied by acceleration. Therefore , option (A) Crash 1 ; the force on the soccer ball was stronger in this crash, so the force on the tennis ball was also stronger.
What is force?A push or pull acting on an object as a result of that object's interaction with another object is what we refer to as a force. Each object experiences a force whenever there is an interaction between two other objects because both objects are subject to the force.
According to the first law of motion, an object's motion will not change unless there is a force acting on it. According to the second law of motion, the amount of force exerted on an object is proportional to the product of the object's mass and its acceleration. According to the third law, when two objects interact with each other, the forces that they apply to each other are of equal magnitude but opposite direction.
Therefore, option (A) is correct.
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Whats parent material? Please put it in your own words not copy and paste. I'll give brainliest
What is the motion of the object in section B of the graph? Explain
Answer:
It is still (is not moving)
Explanation:
Why? because the distance has stayed the same while time goes on.
say a ball rolled (section A) then stopped for 10 seconds (that would section B)
i only need help with these three questions!
What is in the center of our galaxy?
- The Sun
- A larger star (than the Sun)
- An asteroid field
- A supermassive black hole
Answer:
The Galactic center also known as "A supermassive black hole"
Explanation:
"Its the rotational center of the Milky way" -google