Please help me with my biology question :) thanks in advance

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell