Will mark brainliest Which statement describes a compound machine?

It is made up of more than one simple machine.

It makes work more difficult.

It has movement in only one direction.

It can only be acted on by one force.

Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.