What type of virus uses rna , and not dna, as its genetic material? a. retroviruses. b. parvoviruses. c. adenoviruses. d. bacteriophages

A

Explanation:

When these viruses insert their genome into the host cell, they usually have a reverse transcriptase enzyme that converts the RNA to DNA before it is integrated into the host genome. This is before the host cell machinery  is hijacked to replicate the viruses components.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.