A group of athletes are trying to turn a large wheel and axle to move a stone. What can they do to move the wheel with less effort?
a. Decrease the radius of the wheel.
b. Decrease the radius of the axle.
c. Push on the wheel closer to the center of the wheel.
d. None of the above

Examples of simple machines include a lever and gears. These are unpowered mechanical devices that accomplish a task with only one movement. Simple machines are arranged to make complex machines such as bicycles or cars. Complex machines may be powered and work by doing multiple movements to accomplish a task.

Explanation: I think it’s C if it’s not I’ll give random give aways for points

cancer   is   essentially   uncontrolled   mitosis   of specialized cells

the abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. the region occupied by the abdomen is termed the abdominal cavity. the stomach secretes acid and enzymes that digest food. ridges of muscle tissue called rugae line the stomach. the stomach muscles contract periodically, churning food to enhance digestion. the pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.