A placebo is kind of a "fake" treatment but, typically the person receiving a placebo is unaware it has no medical effect on them so they believe they are feeling better. For example, a lot of anxiety meds are placebos and people don't know so their brain tricks them into thinking they are feeling less anxious. This could be used in experiments where a group believes they are affected to see how they react
Answer:
Transpiration is loss of water from the surface of leaves in the form of water vapour while guttation is exudation of water from the surface of leaves in the form of drops. Transpiration takes place through stomata while guttation takes place through hydathodes.
Guttation usually occurs at the margins and the tips of the leaves. Transpiration occurs throughout the general surface of the leaves and the young stems.
Explanation:
Answer:
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Thermometers must be returned to the manufacture for routine calibration
Your answer should be the Miklankovitch cycles. Lmk if I'm wrong!