How much methane was used? Using dimensional analysis, determine the amount of methane that would be used to produce 90.0 grams of water if an unlimited amount of oxygen was present.​

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

How have the greenhouse gasses increased from the year 2000 to 2018

What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves