Nwhat stage of cellular respiration is most of the carbon dioxide produced? a. glycolysis b. fermentation c. citric-acid cycle d. electron transport chain

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

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