Answer: crossing over
during the process of fertilization, a sperm and egg join together to create a zygote. since a sperm had half the number of chromosomes and an egg has half the number of chromosomes, when they join together the zygote had a complete diploid set of chromosomes. the assortment of chromosomes and crossing over promotes genetic variation during the process of reproduction
Answer:
Their minerals change
Explanation:
When they become metamorphic rock they are going through severe heat, causing the minerals to change.
E . all of the statements are true hope i’m correct
I know for sure its not A. but im not sure what the answer is i took the quiz and A was wrong.
Answer: 2
Explanation: The balanced equation would be: Na2O + H2O -> 2NaOH, meaning that the product (sodium hydroxide) has 2 moles of oxygen atoms.
