Competition among individuals for available food sources
The answer is C respond to stimuli in the environment
You should always suppose to have safety goggles because you don't want to hurt your eyes
<u>Answer:</u>
The Answer is <em><u>Option D. </u></em>
<em>Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.</em>
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Your answer is <span>a. True i hope this helps you....</span>