Indicate which of the following ways enzymes activity can be increased? A. higher substrate concentration

B. Denatured active site

C. higher enzymes concentration

D. extreme pH or temperature

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

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

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?