22. What is the first step in the process of DNA replication? (1 point) Unzipping the two strands
Condensing the DNA into chromosomes
Pairing up nucleotides
Forming hydrogen bonds between base pairs

The movement of tectonic plates in two different locations is shown below: two blocks labeled location a and location b are shown. at location a the top layer of the block shows two horizontal arrows pointing towards each other. small dunes are shown in the middle between the two arrows. the block labeled b has a vertical line in the middle. on the left of the line there is an arrow pointing down. on the right of the vertical line there is an arrow pointing up which statement is most likely true? subduction may occur in both locations. earthquakes may occur in both locations. subduction may occur in location a only and a volcanic eruption may occur in location b only. an earthquake may occur in location a only and a volcanic eruption may occur in location b only.

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .