Select the correct answer. which fact represents evidence for the big bang theory? a. every object located in the universe emits radiation. b. the mass that makes up the universe consists of 25% helium. c. the sun around which earth revolves is not the biggest star in the universe. d. human eyes cannot perceive all forms of electromagnetic radiation.

"do a testcross with a homozygous recessive plant."

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

idk

explanation:

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.