Can someone please help me with this?

Select all the true statements about the cosmic microwave background radiation

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?