A biologist is examining several leaves of a plant. She covers the top of one leaf with petroleum jelly. She covers the bottom of a different leaf with petroleum
jelly. She leaves a third leaf alone. After several days the leaf that had petroleum
jelly on the bottom side of the leaf has shrunk. The scientist states that leaves
must take in water through holes on the underside of the leaf. What type of
statenfent does this represent?
observation
inference
prediction
O hypothesis

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.

It's cell theory. easy name i would think.