Answer: A. Nitrogen
Explanation: Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P). Nucleic acids are very large macromolecules composed of repetitive units of the same building blocks, nucleotides, similar to a pearl necklace made of many pearls.
Answer:
A
Explanation:
Your ribs are apart of skeletal system and your ribs protect you lungs
It is an animal because he wants an animal to hunt so he wouldnt be looking for a mine and a shape
Answer:
Several examples of sphere interactions can be inferred from this photograph: Humans (biosphere) built a dam out of rock materials (geosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).
Explanation:
I hope this helps:)
Answer:
it's A
Explanation:
it's explaining your idea.
