Juan is 12 1/5 years old. How can you tell if he is still in childhood or if he is entering adolescence?
a. by how much he weighs
b. by his grade in school
c. by his birthday
d. by physical changes

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

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.

How energy move through ecosystem ?