Answer:
Parasitologists
Explanation:
Rocks can be weathered by expanding and _________ .
contacting
contracting
conducting
compacting
Answer:
compacting
Explanation:
Calculate the speed of a wave that has a wavelength of 8 meters and a frequency of 16 meters per second (m/s).
Answer:
Assume that you move one end of a rope up and down just once to generate a wave in the rope. How long will take the wave to travel down the rope to the other end? It depends on the speed of the wave.
Can someone help please I just need the answer....
Describe two ways you think a sound wave could be stopped or could change change direction.
Answer:
Like any wave, a sound wave doesn't just stop when it reaches the end of the medium or when it encounters an obstacle in its path. Rather, a sound wave will undergo certain behaviors when it encounters the end of the medium or an obstacle. Possible behaviors include reflection off the obstacle, diffraction around the obstacle, and transmission (accompanied by refraction) into the obstacle or new medium
Answer:When sound waves move from one medium to another, there will be changes to the velocity (or speed), frequency and wavelength of the sound wave. This change in velocity can also result in a change of direction of the sound wave - also known as refraction
Explanation:
i will give brainliest to correct answer - link = report
i cant give two people brainly so lmk if you want fr33 points
Other than water, what substance is formed when an acid and a base are combined in a water solution?
Answer:
Salt. Hope this helps!!
What is the relationship between guard cells and stomata in plants?
Guard cells open and close the stomata to regulate the rate of transpiration.
Guard cells protect the stomata from insects and other pests.
Guard cells store carbon dioxide for later use by the stomata.
Guard cells absorb light energy from the Sun for use by the stomata.
Guard cells use osmotic pressure to open and close stomata, allowing plants to regulate the amount of water and solutes within them. In order for plants to produce energy and maintain cellular function, their cells undergo the highly intricate process of photosynthesis . Critical in this process is the stoma.
Answer:
Guard cells open and close the stomata to regulate the rate of transpiration.
i will give brainliest to correct answer - link = report
Answer:
A
Explanation:
Cellular Respiration's formula is C6H12O6 + 6O2 → 6CO2 + 6H2O.
Photosynthesis's formula is 6CO2 + 6H2O → C6H12O6 + 6O2.
C6H12O6 is glucose
O2 is oxygen
CO2 is Carbon Dioxide
H20 is Water
Answer:
A
Explanation:
Can someone help me with this
why do you think mauna loa erupts periodically instead of steadily
Which of the following is a way to increase the solubility of a solid in water? Select all that apply.(PLEASE HELP ME! THIS IS TIMED)
(THERE IS MORE THAN ONE CORRECT ANSWER)
A.letting the mixture stand still for a long time
B.shaking the mixture of solid and water
C.raising the temperature of the water
D.crushing the solid
Answer:
C and D
Explanation:
Help me ill give you brainilest
(easy answer I'm in 5th grade T_T)
Bob thinks that plants get their materials for growth from the soil. Write a couple of sentences to explain why is Bob incorrect. (2 points)
Answer: Plants get there nutrients from not only the soil but from the sun as well. The sun provides the plants with food/energy. The plants take in the sun light and turn it into glucose, glucose is used by plants to give them energy.
Explanation:
Alice went camping with her family. She set up her tent in a grassy area. After two weeks, she noticed that the grass under her tent turned brown. Which factor most likely explains why the grass turned brown?
lack of water and sunlight
lack of oxygen and fertilizer
lack of soil and shade
lack of food and nutrients
Water and sunlight are necessary for photosynthesis to occur absence of these turned the grass brown.
What is photosynthesis?It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy through the process of cellular respiration.
Some of the energy which is converted is stored in molecules of carbohydrates like sugar and starches which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.
The process begins with proteins absorbing light energy which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.
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The color of a planet provides clues to its composition. From space, much of Earth looks blue because most of its surface is covered with water. The surface of Mars is much different from that of Earth. Much of its surface is made up of iron oxide, or "rust." Which color would you expect Mars to be?
Answer:
Mars would have different variations of brown, red, and orange.
Explanation:
Since different places of Mars have different substances or have different "ages" the color will be different.
Rust is formed because iron reacts to different substances, so there might be different weather patterns around Mars, and hence different colors of the rocks, iron, etc.
Hope this helps:)
Sorry just a 4th grader :(
I think this is correct though
FREE BRAINLIEST IF CORRECT
Bats and marine mammals are able to locate prey and to communicate by sending and receiving soundwaves that echo off of surfaces. Echoes demonstrate the wave property of?
Answer:
Reflection.
Explanation:
An echo is an example of wave reflection. Reflection occurs when waves bounce back from a surface they cannot pass through.
Hope this helps
the table lists the speed of the light in four different materials at the temperature.
Answer:
1
Explanation:
light would travel the farthest in air
12a. How does the model of the volcano provide evidence for the cycling of Earth materials through the rock cycle?
12b. Explain how the process you described in 12a results in rock formation.
Answer:
lava is coming from the crust
Explanation:
volcano's explode with lava because the crust pushes it out
The data shows that recently the size of the raccoon population decreased. How will the decrease in the raccoon population affect the other populations? Be sure to explain whether the owl population, the duck population, and the frog population will change, and why. PLEASE HELP (science by the way!!!)
Answer:
Some will loose their pray it being the racoons and they will too die because thy lost their food source.
Explanation:
what is a 5 digit code with no spaces puzzle #2 energy transformation?
Answer:
14583
Explanation:
what's the difference between erection\arousal and erosion
Answer:
uhhh they are VERY different things
maybe you should look up what erection/arousal is?
erosion is what happens to layers of the Earth such as rock over time
Answer:
When a male is aroused sexually, the blood vessels in the penis relax and open up, allowing blood to fill them. Blood trapped under high pressure creates an erection. Ejaculation is a reflex action controlled by the central nervous system.
Explanation:
Stacy made the following table to compare the functions of plant and animal structures, but she is missing a row title. Which of the following would best replace the X?
a table comparing the functions of different animal and plant structures. There is an unknown 'X' in the table. The skeleton in animals and the stem in plants provide support. The fur in animals and the waxy covering in plants provide protection. The ovaries in animals and the pistil in plants make 'X'
Eggs
Fruit
Sperm
Food
All vertebrates are known to have two ovaries. Many invertebrates have testes and ovaries in a single animal. The ovaries in animals and the pistil in plants make eggs. The correct option is A.
What is pistil?The female reproductive structure of the flower is known as the pistil. It consists of the structures like stigma, style, ovary and ovule. The major function of the pistil is to support the pollination process which finally leads to fertilization.
The stigma of the pistil receives the pollen and the style transports the pollen to the ovule. Pistils protects the ovule present inside it. The ovary is also the female reproductive organ in which the sex cells are produced called an egg.
The function of the ovaries is to nurture the eggs for the process which is called the ovulation.
Thus the correct option is A.
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The ________________ flows out of a volcano. mantle magma silt lava
What would be the approximate time would at Location X? (Please make note of which direction Earth is spinning.)
A. 5:00 AM
B. 1:00 PM
C. 8:00 PM
D. 2:00 AM
Answer:
Im pretty sure its B. 1:00 PM
Explanation:
Please tell me witch one goes with what. It can be continental drift or plate tectonics. please tell me if you need help
1.Identify evidence that supports the theories of continental drift and plate tectonics.
2. Glossopteris plant found in several southern hemisphere continents.
3.The same rocks are found on either side of the Atlantic Ocean.
4.There are no ocean floor rocks older than 180 million years. The pattern of rock ages 5. shows new rock forming at mid-ocean ridges and spreading away from the ridge in both directions.
6. The shapes of South America and Africa appear to fit together.
7. The majority of earthquakes and volcanoes occur along easily recognized bands called tectonic plate boundaries.
8. Lystrosaurus reptile fossils are found on several Southern Hemisphere continents.
9. The same type of sediment deposits are found in several southern continents.
10. Magnetism in rocks of different ages don't point to the same North Pole locations.
difference between alloys and mixtures?
Answer:
Top answer is correct :]
Explanation:
NEED ASAP LIKE RIGHT NOW PLEASE HELP
what is a wave and how it transverses energy
Answer:
wave means a number of different ways in which energy is transferred: In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields
PLEASE HELP!!! THIS IS TIMED!!! PLEASE HELP
Answer: ok ?
Explanation:
Brsinlirst if correct
(4)
Answer:
the first answer is reflected and the second is absorbed
Explanation:
When white light shines on an opaque object, some wavelengths or colours of light are absorbed. These wavelengths are not detected by our eyes. The other wavelengths are reflected, and these are detected by our eyes.
PLEASE HELP NO LINKS OR WEBSITES IF YOU DONT KNOW LEAVE ME ALONE THANKS THIS IS DUE IN 30 MINUTES
Which structures help plants control the rate of transpiration to prevent withering and eventual death?
chloroplasts and pores
chloroplasts and guard cells
guard cells and stomata
stomata and pores
Answer:
C - guard cells and stomata
Explanation:
what is a 6-digit code with no spaces puzzle #7 Newspaper
Answer:
583934
Explanation:
Newspapers #7