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Biology

Three of theseThree of these processes normally consume oxygen. Which process produces oxygen? A) combustion Eliminate B) respiration in animals C) photosynthesis in plants D) operation of an acetylene torch processes normally consume oxygen. Which process produces oxygen? A) combustion B) respiration in animals C) photosynthesis in plants Eliminate D) operation of an acetylene torch

Aging skin becomes less resistant to infection and other diseases because the number of _____ decrease and are less efficient.

the motion of an object can be described by its

Is Reproduction necessary for the survival of an individual

How long does it take for blood to cycle through the body?

A scientist hypothesizes that Earth's axis changes the angle of its tilt over the course of several thousand years. Which of the following is the best way for the scientist to test this hypothesis?

a kite stuck in a tree blowing in the wind has ____ energy

What are the contributions to the environment of amoeba proteus?

Describe one role of the trees in the oxygen cycle.

an overworked computer worker software engineer works on the computer the whole day. He gets tired after work. Somebody advised him to eat more carbohydrates and fats to get more energy. Do you think this will help him. Why?

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