Answer:
The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Explanation:
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Answer:
A pigment containing melanin found in bird feathers
Explanation:
Answer:
photosynthesis.
Explanation:
during photosynthesis, plants use energy from the sun to convert carbon dioxide and water into glucose and oxygen.
The answer would be A.
Glass mirrors, fragile items, and ignoring building codes are all dangerous.
<span> Because when bacteria convert ammonia into nitrates and nitrites, producers need them to make proteins, and then consumers eat the producers and reuse the nitrogen to make their own proteins.
Hope this helps!
-Payshence xoxo</span>
