Which of these earth systems interact when acid rain corrodes rocks?
geosphere and biosphere
geosphere and cryosphere
hydrosphere and cryosphere
hydrosphere and geosphere

Which of these statements are true about scientific theories and hypothesis

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils