circulatory
The lungs and respiratory system work closely with the circulatory system to make sure oxygen reaches all the cells of our body.
A valley is the result of erosion by glaciers and flowing water
Hydropower, also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. Hydropower is a method of sustainable energy production.
Answer:
Its A
Explanation:
Took the test and got it right
Answer: Multiple
Explanation: It seems that you are cheating on a multipe choice question