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Ede4ka [16]
3 years ago
9

The main reason that it's important to test only one variable at a time is so that

Biology
1 answer:
Sati [7]3 years ago
6 0

D. scientists can easily tell which variable caused the results.

Good luck!

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What does the digestion process break down food into?
prohojiy [21]

Answer:

Breaks them into their simplest form. Glucose, amino acids, and fatty acids.

Explanation:

They have to be broken down into these forms to be absorbed into the bloodstream.

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2 years ago
If a musician increases the wavelength of the sound wave she is produces without changing their speed, what must be happening to
kvasek [131]

The frequency of the waves must decrease when the musician increases the wavelength without changing their speed. Your welcome

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3 years ago
Is protein a living cell or a virus<br><br>​
andreyandreev [35.5K]
Living cell ........
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Does energy flow to and through our planet or does it cycle continuously within the boundaries of earth?
ehidna [41]

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Solar power drives Earth's climate. Energy from the sun heats Earth's surface, warms the atmosphere, provides energy for photosynthesis, causes evaporation, drives the weather and water cycles, and powers the ocean currents.

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i hope this helps

5 0
3 years ago
What environmental stimulus is most likely to result in a more rapid heartbeat in an animal?
Kipish [7]

Answer:

This question is incomplete, the options are:

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B) Strong southerly winds

C) Presence of a predator

D) Lack of water

The answer is C

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A stimulus is something that provokes a response or reaction in a living organism. It can either be internal or external. An animal can respond to stimulus such as hunger, heat, predator etc.

However, among all the listed stimuli in the options, the PRESENCE OF A PREDATOR is most likely to result in a more rapid heartbeat in an animal. This is because the predator stimulus will require the animal to respond by running in order to survive. Running will increase its metabolic activity and cause its heartbeat to increase.

8 0
3 years ago
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