Tropical rainforests make up what percent of africa s landmass?

a. about 5%

c. about 50%

b. about 20%

d. about 90%

What type of fat is necessary for normal bodily function and includes lipids incorporated into nerves and organs?

What type of material is a lens

1. If Jim is a Texan, then he is an American. Jim is a Texan.

What substances wont dissolve in water? what is the scientic term for these types of substances? why is it important that some substances wont be solubilized in water

The average female Atlantic cod (Gadus morhua) produces two million eggs in a single spawning. How does this relate to natural selection?

Jonas states four interesting facts about bones. which of jonas's statements is incorrect?

1. what is an unintended consequence of using cardboard to cover the grass? 2. What is an unintended consequence of using herbicide?

Compare and contrast the locations of anaerobic and aerobic respiration in a typical eukaryotic cell. what are the by-products and number of atp molecules produced in each

Your friend has suffered a broken nose which bones potentially could be involved

What are the 3 nitrogen bases of DNA called (it's a one or two word answer)