A tropical rain forest might be unable to return to its original climax community after which of the following disturbances?

a. burning of a forest fire

b. clearing and farming

c. volcanic eruption

d. flooding after a hurricane

Which pH is the most acidic? a. 5 b. 7 c. 9

A mass of 630g is hung on a spring. using force=mass x gravity, what is the force of the mass, acting on the spring

What is adipose tissue

When Charles Darwin arrived in South America what observation did he make regarding rabbits?

The art in scientific thinking is a. finding the right problem to study. b. deciding which assumptions to make. c. the ability to make an abstract subject easy to understand. d. not something in which economists have to be skilled.

Which process occurs the same number of times in both mitosis and meiosis?

What are small bodies composed of rna and protein that function as protein factories called?

Why do we need muscles?

Which specialty area would be most interested in identifying the brain-activation patterns associated with a person's perception of different objects?

What happens once an item breaks through the surface tension of water? A. it sinks B. it floats C. it becomes hot D. it becomes cold