Answer:
Nutrient replenishment
Explanation:
Any living organism has nutrients in their body. So when they die or decompose, a lot of the nutrients break down and goes back into the ground.
Answer: introns (DNA that doesn't code for protiens)
Heat from the earths core causes movement in the mantle, which results in movement on the crust.
Answer:
DNA
Explanation:
RNA is not a double helix
Uracil is on the RNA, this is a picture or DNA. Uracil is just one of the nucleic bases
This is not a monomer; it's actually a polymer
It is DNA because it is a double helix structure held together by the four nucleic bases.