Use of fossil fuels has increased the total amount of carbon in the carbon cycle

true

false

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Which position represents spring in the southern hemisphere? a) b) c) d)

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume