How would a dislodged piece of plaque in the cardiovascular system most likely affect an otherwise healthy person?

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

Most of the carbon on earth is stored in the form of

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium