The correct answers are ATMOSPHERE and BIOSPHERE. Nitrogen is most abundant in the ATMOSPHERE, but nitrogen can't be absorbed by the BIOSPHERE without the help of a special bacteria and without undergoing a process called nitrogen fixation.
Cross-pollination. The key to increasing fruit harvests & growing new flowers.
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Answer:
1. telescope
2. astronomers
3. radio waves
Explanation:
A telescope allows one to magnify what they're looking at to see it closer than it actually is. Astronomers are those that study planets, stars, and other celestial bodies in space. Modern telescopes have the ability to detect radio waves from astronomical objects that emit them from far away. This allows us to see what we normally would not be able to.
Answer: D
Explanation:
<u>Lipids are made of carbons bound to hydrogen, oxygen, and nitrogen groups; the unequal sharing of electrons around the oxygen (carboxyl) and nitrogen (amino) groups cause the molecule to fold up on itself and form different shapes that affect the function of the molecule in the living organism. </u>
