Which procedure could be used to demonstrate that matter is conserved during a physical change

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.