9. A cell has a volume of 64 units and total surface area of 96 units. What is the cell's surface area to volume ratio?
a 1.5
b 2.8
с 3.4
d 4.7

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

What type of pollution does household garbage cause