Plants make sugar molecules from a. potassium and carbon dioxide. b. oxygen and nitrogen c. nitrates and water. d. carbon dioxide and water.

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

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.