Answer:
D) homologous pairs of chromosomes form tetrads
Explanation:
During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.
I belive this is false but im not sure. You should add more info. I cant tell what you are asking me.
Answer:
3
Explanation:
An hypothesis is a proposed explanation to an observation or an intelligent guess about a phenomenon made with little evidence at the beginning before proceeding to do further investigation or research. The most appropriate way to scientifically evaluate the hypothesis is to scatter seeds in several areas of the meadow and observed whether they will start to grow.
The continental crust is
A.composed mostly of granite
B.up to 6km thick
C.formed quickly -cooled lava
D.made of rock 2 million years old
i say the answer is D.