What is required for dna polymerase to initiate dna strand synthesis?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

What element is able to combine with itself and hydrogen to form large molecules ?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land