Answer:
b to help organize data and record info.
Carbon dioxide is what humans exhale, giving trees carbon dioxide will produce oxygen
Answer:
an element is a pure substance which can not be spilt into simpler substances by chemical means
Explanation:
examples hydrogen, oxygen, copper
Answer: Talking
Explanation: Talking is a learned behavior. The others are inherited traits.
Answer:
AraI
Explanation:
<em><u>A</u></em><em>eromonas </em><em><u>ra</u></em><em>nidae</em> <u>I</u> (first enzyme isolated in that bacterium)
