List the three main regions of the cells in the human body. Describe the main functions of each region.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring