List the following for the Mid-Atlantic Ridge: -What type of plate boundary is this?
-What types of crust are involved?
-Include the word subduction if subduction occurs, otherwise do not include the word subduction.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.