Acondition of stones in the common bile duct is called

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.

What must be true for natural selection to heppen

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.