Energy from the sun heats the earth. As air near the ground is heated, it rises, then cools as it moves higher, then eventually sinks back to the ground. This circular motion of air is known as?

Explain why the plants cortex would serve as the best food source for animals

What noticeable trend from this graph might be used to make a conclusion?

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.