Answer:
Guard cells perceive and process environmental and endogenous stimuli such as light, humidity, CO2 concentration, temperature, drought, and plant hormones to trigger cellular responses resulting in stomatal opening or closure.
Explanation:
Answer:
breathing, sweating, and digestion(look at explanation)
Explanation:
Your body uses water in all its cells, organs, and tissues to help regulate its temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water.
Three states of matter. solid, liquid, and gas.
solid. water molecules are close together and vibrate, definite size, fixed shape.
liquid.
gas.
The state of matter molecules move the slowest.
The state of matter molecules move the fastest.
Melting.
Boiling.
It's a way of protecting the trees, and making sure they survive the winter and beyond. Leaves die during the winter months. If those dead leaves stayed on the trees, and new ones wouldn't grow in their place, the tree would have no way of making food for themselves.
Hope it helps. ☺
