Which of the following may be associated with the collision of two sections of continental crust? a. hot-spot volcanoes b. earthquakes and a mountain rages c. earthquakes, volcanoes, and trenches d. trenches and earthquakes

earthquakes and a mountain range

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.