They use a hygrometer. It measures relative humidity (the amount of moisture in the air) A psychrometer is an example of a hydrometer
Answer:
They protect you against illness and disease. Think of white blood cells as your immunity cells. In a sense, they are always at war. They flow through your bloodstream to fight viruses, bacteria, and other foreign invaders that threaten your health.
Answer: I believe the answer is B - Nucled Acids.
Hope this helps.
The chemical is called Cholecystokinin,it helps<span> stimulates the gallbladder to contract and release stored bile into the intestine
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Answer:
A) Chlorophyll absorbs sunlight energy for photosynthesis. :)
Explanation:
To quote Nat Geo:
"Chlorophyll’s job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules" :)