Answer: Friction
Explanation: Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force.
B and C)
They often obtain most of their nutrients through the cell membrane as diffusion is able to take place passively and so at no energy loss to the organism, this can be essential for a single celled organism as they are able to produce a lot less energy due to having fewer mitochondria in comparison to multicellular organisms.
They also require few resources as single celled organisms are very small and so require only a small amount of raw resources for respiration because they have a small energy demand to meet.
Answer:
The answer is the quadriceps.
Explanation:
The hamstring, located between the hip and the knee joint, is one of the biggest muscles in the human body and one of the three posterior thigh muscles. In order to properly stretch the hamstring so as not to cause any injuries, because the hamstring is one of the muscles most susceptible to injury, the person needs to stretch their quadriceps knee extension during the active supine biceps femoris stretch.
I hope this answer helps.
Mutations are not a mechanism for evolution.
Where something is located