Carbohydrate-synthesizing reactions of photosynthesis directly require A. darkness

B. oxygen and water

C. products of the light reaction

D. light

E. chlorophyll and carbon dioxide

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

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