"forces are in equilibrium when their net force equals this"

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

Where are the strongest jet streams located?

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet