Mount St. Helens is a volcano that erupted with great force in 1980. Which phrase best describes this eruption? quiet eruption
gentle lava flows
magma low in silica
high-viscosity magma

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.