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OleMash [197]
3 years ago
6

Read it carefully and answer it.

Biology
1 answer:
Step2247 [10]3 years ago
3 0

Answer:

1) types of music - independent

performance in doing homework - dependent

person - control

2) period of time - control

number of flowers - dependent

types of rose bushes - independent

Explanation:

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The U.S. has sent unmanned spacecraft to _____ the planets in our solar system. A. all B. most C. some D. none of
Mandarinka [93]
<h3>Answer:  A. all</h3>

Every planet in our solar system has been visited by an unmaned spacecraft sent by the United States. The launch years are given in this order

  • Venus (1962)
  • Mars (1964)
  • Mercury (1973)
  • Jupiter (1977)
  • Saturn (1977)
  • Uranus (1977)
  • Neptune (1977)
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5 0
3 years ago
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How is it possible for percolating groundwater to remove mineral material as well as deposit it?
cluponka [151]
Percolating water can both remove mineral materials as well deposit it. Percolating water removes the undesirable materials from the rocks that come in its contact. In this way it erodes the surface of the rock and deposits it on the upper layer of the soil, thus enriching the soil.
Similarly the desirable materials are removed from the surface and deposited and concentrated. These processes are referred as secondary enrichment.

8 0
4 years ago
A lahar is a type of mudflow that occurs
ale4655 [162]
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5 0
3 years ago
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Hooke and van leeuwenhoek helped to create the basis of the cell theory by ______.
Anika [276]
Both Hook and vanLeeuwenhoek helped to create the basis of cell theory by determining that all living things are made of cells.
5 0
3 years ago
which one of the plants pictured below was given water mixed with salt, and which one was given pure water? Explain how you know
ludmilkaskok [199]

The plant on the right must have been the one given a saltwater mixture while the one on the left must have been given pure water.

<h3>Osmosis</h3>

Looking at the attached image closely, one would see that the plant on the right has withered leaves while the leaves of the plant on the left seem to be flourishing.

The plant on the right must have been the one fed with water mixed with salt and here is the reason. Adding water mixed with salt to the soil on which the plant grows will decrease the water potential of the soil relative to the water potential of the plant's root. Thus, water will move from the plant into the soil through the root by osmosis. This will cause the various cells of the plant to become flaccid, and hence, the withered leaves.

On the contrary, the plant on the left must have been fed with pure water. Feeding the soil with pure water will increase the water potential of the soil relative to the water potential of the plant's root. Thus, water will move from the soil into the plant through the root by osmosis. This will cause the various cells of the plant to become turgid, and hence, the flourishing leaves.

More on osmosis can befound here: brainly.com/question/21395644

#SPJ1

3 0
2 years ago
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