Answer:
The circulatory and respiratory systems work together to pump blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and the bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart and thats how it works.
Explanation:
Neurons produce an action potential at the same time or none at all
Answer: C
Explanation: Instead of doing all of the experiments by yourself, you should ask other scientists for help, If you don’t, you would never know if they might get different results than you.
*Answer C makes more sense than the other answers.*
I think it is erosion (2) because erosion removes soil, rock, and dissolved material.
Answer:
IV: Amount of pesticide
Independent variable is what can be changed
DV: Time of death how long it takes
What you can’t change
Explanation:
