Answer: Base pairs occur when nitrogenous bases make hydrogen bonds with each other.
Explanation: Each base has a specific partner: guanine with cytosine, adenine with thymine (in DNA), The hydrogen bonds are weak allowing it to "unzip"
It is the circular pathway of water on the earth from the atmosphere, to the surface, to the ground, and back.
Respiration is the way that plants release water into the atmosphere.
Secondary succession takes place in a grasslands and primary succession takes place in rocky desert.
Secondary succession also progresses faster.
Answer:
I'm pretty sure it's D. bc a mutation is something that's created from mixing two different species
