Which statement describes how a machine can help make work easier? It can put out more force than the input force by decreasing the distance over which force is applied.
It can increase the amount of work performed if the output force is in the same direction as the input force.
It can apply a greater output force over a greater distance compared to the input force and distance.
It can increase the distance over which output force acts by applying less output force than input force.

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit