What are three ways monosaccharides differ from one another?

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

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

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm