The Hawaiian volcanoes largely erupt the type of rock known as basalt. What other types of rocks can volcanoes erupt and how are they different than basalt
formed volcanoes?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

All ova contain sex chromosomes corresponding to: x y xx xy