HEL What laws or regulations are in place to limit the amount of pollution in the yellow river of china? If none, have there been efforts to enact laws? Why or why not?

Scientist have long study the earths climate by looking at which of the following? the earths orbit. the earths rock layers. the antarctic ice. the earths oceans.

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

The body of water found at number 4 on the map above is the