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Brilliant_brown [7]
3 years ago
8

Due to the coronavirus pandemic, more scientists have taken to testing the effectiveness of different masks. Recently, conflicti

ng studies on the effectiveness have neck gaiters have been published, causing many medical experts to call for even more research and cautioning people against exclusively using them. What characteristic(s) of science does this demonstrate? Group of answer choices Science is observable All of the above Science is flexible Science is testable
Biology
1 answer:
Kay [80]3 years ago
3 0

Answer:

The answer to your question is <u>All of the above</u>

Explanation:

Science is observable, testable, and flexible. This is shown when doing an experiment. First you observe something, test, then record. When new information or evidence comes in, Science is flexible enough to allow changes to the topic's existing evidence or add on to it.

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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

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