Regions are always defined by a. climate b. many different factors c. mountain ranges d. continents & bodies of water

What causes the cyclical changes in the appearance of the moon?

Plants in the tundra biomes have had to adapt to live long periods of time without a. cool temperatures b. sunlight c. oxygen d. water

Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?