What is the next step in the sun's life cycle after it has used up it hydrogen fuel

Who carried out a series of experiments on frogs in the 1780s?

How much energy is lost when one organism consumes another organism

Scientists divide the atmosphere into how many layers? four seven five eight

What's happens when the population of a species becomes too large?

Which of the following summarizes the overall climate of Earth over time? Earth's climate was unchanging until 50 years ago. Earth's climate has warmed and cooled at different times. Earth's climate has gotten consistently warmer over time.

Which structure in a cell makes protein

Do Genes make up chromosomes.

Foxes in the Arctic primarily eat hare. Hare eat plants, such as berries, leaves, and grass. If the plants in an Arctic area decrease in number, what will most likely happen to the populations of both the Arctic fox and the Arctic hare? A.

What is the purpose of the biogeochemical cycles?

Strong trading kingdoms emerge in w. africa because of an abundance of salt and?