The process of turns crude oil into the type of gases that can be used for cooking, in cars, and for other human purposes. hints the process of turns crude oil into the type of gases that can be used for cooking, in cars, and for other human purposes. refining redefining primary drilling secondary drilling

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs