Jack heard from gabriel that an earthquake was felt last week in texas. which do you think is best way to research gabriel’s claim?
a) ask another friend
b) an encyclopedia at the library
c) a magazine published 3 months ago
d) usgs earthquake site

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants. d- food molecules are broken down in the cells if living things.

Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .