<span>B. stimulated your immune system against the pathogen</span>
C. The presence of predators could cause natural selection because it would mean survival of the fittest.
They can stretch because there is one fluid present between ligament called synovial fluid!
Answer:
I believe the correct answer to your question is D
Answer:
The action and reaction forces are reciprocal (opposite) on an object. The swimmer pushes against the water (action force), the water pushes back on the swimmer (reaction force) and pushes her forward. The ball puts a force on the wall (action force), and the wall puts a force on the ball (reaction force) so the ball bounces off.
Explanation:
