Acertain machine can output 50 joules (j) of energy when 100 j of energy are input. if the amount of friction experienced by the machine is reduced, which of the following is most likely its output? a 0 j b 25 j c 50 j d 75 j

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

What must be true for natural selection to heppen

Which process of living things produces water that enters the water cycle