Watson and Crick proposed that during DNA replication, the double strand is unwound and each parental strand is used as a template to generate a new daughter strand. The new and old strands then form a new DNA helix. What is this mode of replication called? Group of

it would lead to upper respiratory infections and pneumonia.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.