Hi Ace22704,
Answer - natural observation
I think this experimental method is a better option because its in a natural environment where the kids dont know whats happening unlike the suveys where you ask them questions which is probably a bad idea because they might feel scared and just change their minds.
They are apart of the brainstem
Answer: Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates, it is composed of blood cells suspended in blood plasma.
Explanation: Platelets help the blood to clot. Clotting stops the blood from flowing out of the body when a vein or artery is broken. ...
Answer:
i think it's 1,4 :)
Explanation:
because that seems like isolation to me
True, because you're not being active when you drive a car, or ride in one. Riding your bike is an excellent form of aerobic exercise. It allows you to engage large muscle groups in a sustained activity, which elevates your heart rate and delivers a wide variety of health benefits. Running burns more calories than cycling, and it can make your heart work a little harder.
