According to the online content article about the sun, the sun sustains life on earth by
a.
providing light, heat, and energy
b.
revolving around the earth
c.
causing solar eruptions
d.
harming the earth’s biosphere

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

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

What is the main fuel source for the work of the cell