Which of the following processes occurs in G1 phase of the cell cycle?
A.) the cells grow in size and content producing mainly carbohydrates and
membranes.
B.) DNA is copied.
C.) the cells grow in size and content producing mainly proteins.
D.) mitosis and cytokinesis.

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

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Fill in the blank a scientific theory become a scientific law because only offer descriptions of the natural world, while offer robust explanations. 1. a) cannot b) can 2. a) laws b) theories 3. a) laws b) theories