What is the first step in the process of dna replication? how does each seperated strand begin to rebuild a new strand?

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic