Answer:
a- black powder
Explanation:
it is powder and has no pigment
Answer: divergent boundary where crust plates are.
Explanation: The Mid-Atlantic Ridge is a mid-ocean ridge, a divergent or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world.
Fixator (--) helps hold a bone in place
Genotype is the genetic constitution of an individual organism.
For example<span>, two organisms that have even the minutest difference in their genes are said to have different </span>genotypes<span>.</span>