How much of the Earth's surface do deserts cover and where do they occur? What are the four major types of desert?

explain why carbon is found in many of the basic structure of living things (such as lipids, carbohydrates, cell membranes, proteins)

Why is eating chicken better for the environment than eating beef? a. Per pound of meat, chicken provides many more calories. b. Per pound of meat, chicken provides many more nutrients. c. Chickens don't produce as much waste as cows. d.

Prokaryotes that live in almost every habitat are ...

Which phases of the cell cycle are part of interphase? Check all that apply. meiosis gap phase 1 gap phase 2 S phase mitosis

Which list below describes the next steps of evaporated water through the water cycle? A. Condensation, precipitation, runoff, groundwater B. Precipitation, condensation, runoff, groundwater C.

During the cardiac cycle, the bicuspid valve closes: a. while the ventricle is in diastole b. when the ventricle is in systole c. while the atrium is contracting

What is a gene family? what mechanism generates them?

Calculate the percent increase in HFC emissions between the years 2005 and 2015. A) 10% B) 50% C) 100% D) 200%

Small adaptations allow species to occupy similar niches. O True O False

People who have hemophilia would probably be most concerned about