686.8 j is needed to burn 4.24 grans of pd.
Answer:
The British profited from Americans buying more foreign goods than American-made goods.
Explanation:
In 1807 the U.S Congress passed an Embargo Act that prohibited American ships from trading in all foreign ports. The act was in response to a DIRE situation America faced when it found itself caught between a French and British war.
From the smallest single celled organism to the tallest tree all life depend on the properties and reactions of four marcro molecules which are carbohydrate, protein, lipids and nucleic acid.
This is because, these organic molecules are the building blocks of all living things and they are responsible for most of the structure and functions in the body.
Answer:
Through negative feedback, insulin produced by the pancreas causes a decrease in the amount of glucose in the blood.
Explanation:
The control of blood sugar (glucose) by insulin is a good example of a negative feedback mechanism. When blood sugar rises, receptors in the body sense a change. In turn, the control center (pancreas) secretes insulin into the blood effectively lowering blood sugar levels.
