During the Cretaceous period of Earth’s geological history, eastern Montana was covered with lowland swamps rich in plant life. These plants were buried and slowly decomposed. What did these plants eventually form?

b because they naturally adapt to their environment plz mark brainliest

explanation:

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)