The yellowstone supervolcano has the potential to cause large scale damage when it erupts. conduct independent research and answer the following questions: when was the last large eruption? based on the intervals between the most recent eruptions, when should there be another? what might be the environmental effects of such an eruption and how will they affect society?

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.