2. Is Ellie correct in thinking that TSH is a thyroid hormone? Why is her TSH level low instead of high?

Is snow a type of precipitation? explain why or why not.

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

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