2 years ago

Please help me answer 4-9 please

Biology

1 answer:

Anastaziya [24]2 years ago

6 0

Answer:

decomposers are organisms that break down dead matter in an ecosystem.

8. in the process of photosynthesis.

somebody else help

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Aleks [24]

I think all of the above...
because I know they built aqueducts and sewers, so since 2 of they are correct, then all 3 must be.

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3 years ago

What is the Mechanical energy when

Scilla [17]

Answer:

$ME = 20 * m$ , where m is the mass of the pendulum

Explanation:

As we know that mechanical energy is the sum of kinetic energy and potential energy.

Since the Pendulum at its highest point has zero velocity, its kinetic energy at this point is equal to zero.

Thus, here in this mechanical energy will be equal to the potential energy only.

Potential energy is equal to the product of gravity constant, mass of the body and the height of the pendulum

Thus,

$ME = PE\\$

$PE = m * g* h\\PE = 10 * 2* m\\$

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Hence,

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3 years ago

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phloem

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3 years ago

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QveST [7]

Answer: increase in genetic variation

Explanation:

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2 years ago

why is the blood that flows from the lungs toward the heart a brighter red than the blood that flows the other direction

Ipatiy [6.2K]

It is the presence of oxygen-bound hemoglobin that makes it bright red

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