The concentration of carbon dioxide in the atmosphere has been gradually increasing for many years. how might this increase affect photosynthesis

b. the carbon cycle ensures living things have a source of hydrogen

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.