The answer is rain percolates through the pavement into the ground below, causing cracks in the pavemen
The human heart has 4 chambers. Namely
Right and left Ventricle
Right and left Artrium
A hypothesis......Plz mark brainliest
Answer:
The correct answer is d the positive feed back reduces change in the the system
Explanation:
In an biochemical reaction when the released product stimulate the release and activation of the same product and act together to exibit their biological function, then this type of regulation is called positive feedback.
The positive feed back mechanism leads to increased change in the system that"s why it is named so.
For example during blood clotting platelets molecules are released to form clots to stop bleeding. one activated platelet can stimulates the activity of other platelets which then join together to form a group for generating further blood clots.
Oxygen Usage should be the answer