Help me in biology please

A or "The blood would not be able to carry oxygen."

Explanation:

"Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin."

https://www.hematology.org/education/patients/blood-basics#:~:text=Red%20cells%20contain%20a%20special,their%20color%20from%20the%20hemoglobin.

it cools slower in the earth meaning the crystals have more time to form than lava on the surface

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.