How many oxygen atoms are found in one molecule of nitric acid, HNO3?

a. 1

b. 2

c. 3

d. 4

Which form of water can be removed from the surface of a populated area to control malaria without reducing the amount of clean groundwater available? A. Sewage B. Pond water C. Swamp water D. Flowing river water

Farmers on the wide grassland or of the great plains broke up sod to grow crops

Suppose you pick up a rock that formed from the sediments of weathered rocks. what type of rock have you found? clastic chemical biochemical

Although American thinker and writer Ralph Waldo Emerson made this statement in the 19th century, it remains relevant today.

Which continent has three World culture regions

Why is Dubai creating underwater resorts and reclaimed islands? Dubai has an incredible amount of money to spend on building projects. Dubai's population is growing at a very fast pace, some say too fast.

Where was the maya civilization located

The widespread presence of banana plantations in central america region has resulted in increased standard of living

Which of these has been the result of human activity? a) glaciers melt more b) volcanoes erupt more landslides happen more d) earthquakes happen more

Which types of stars have extremely intense gravitational and magnetic fields?