. Which statement describes the health of an ecosystem in terms of biodiversity? O A healthy ecosystem is balanced with high levels of biodiversity.
O A healthy ecosystem is unbalanced with low levels of biodiversity.
O An unhealthy ecosystem is balanced with low levels of biodiversity.
An unhealthy ecosystem is balanced with high levels of biodiversity.

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

carla slowed down in the beginning of her trip, stopped, and then sped up

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.

answer: b.

explanation: