Answer:
(C) 10 times more acidic than distilled water.
Explanation:
The pH scale is logarithmic, meaning a pH difference of one is a difference of 10 times.
Answer:
Sunlight
Explanation:
The correct answer is sunlight. Plants compete for all the listed things. However, in contrast to most animals, they strongly compete for sunlight.
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Answer:
A: The balloon expands
Explanation:
Since the heat is absorbed by the balloon, the molecules inside will spread apart. When this happens, the balloon will also expand as the molecules expand which therefore the balloon grows.
YES.
The thirst mechanism always underestimates fluid loss during work, in the heat and after work ends. Therefore you should take frequent drinks through out the work period. If you drink 250mililitres every 15 minutes, you can replace one litre per hour. if sweat rate is higher you will find it extremely difficult to keep up with fluid needs. During prolonged periods of work in the heat, weight loss exceeds 2 percent therefore the person should rehydrate before returning to work.
