Which of the following is not a step in the evolution of a star?
1.supergiant
2.red dwarf
3.supernova
4.neutron star

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures