Biology answers many questions<span>, </span>but its main focus is<span> how living organisms interact and function.
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C.Adenine and guanine<span> are </span><span>purines in DNA.</span>
The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through.Carbon dioxide diffuses from the blood into the alveoli.
Trees and flowers I might be wrong i don’t know let me know if I’m right
Answer:
A sideline is an activity done in addition to one's main job, especially to earn extra income.
Lorenzini ampoule is a special sensing organ. They are mostly found in cartilaginous fish
Explanation:
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