Which of the following statements about the viscosity of lavas is true? Lava viscosity increases as the silica content of the lava increases Lava viscosity remains the same as the silica content of the lava increases Lava viscosity decreases as the silica content of the lava increases

Which biochemical cycle is relied upon for plant photosynthesis

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph