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algol [13]
3 years ago
9

Why is it a good idea to wash your hands before using hand sanitizer?

Health
1 answer:
disa [49]3 years ago
4 0

Answer:  handwashing reduces the amounts of all types of germs and chemicals on hands. But if soap and water are not available, using a hand sanitizer with at least 60% alcohol can help you avoid getting sick and spreading germs to others, kills more germs

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Salts and sugars work to preserve foods by creating a
netineya [11]

A) Hypertonic environment

B) Lower pH

C) Depletion of nutrients

D) Lower osmotic pressure

Answer:

A) Hypertonic environment

Explanation:

A hypertonic environment or solution contains more solute than solvents, that is, the solution in the environment has more dissolved particles, such as salt or sugar. Microorganisms are unlikely to survive in a hypertonic solution as water would be drawn out of the ells of the mircoorganisms, causing their cells to shrink.

Salts and sugars are used in preserving foods as they create a hypertonic environment that is unfavorable to bacteria and fungi that cause food spoilage.

7 0
3 years ago
The pH balance is maintained by which organ?
mylen [45]
Your lungs. The lungs control your ph balance by releasing carbon dioxide
3 0
3 years ago
Question 5
mojhsa [17]

Answer:

question 5 = bring a nutritious side dish to share

question 6 = 220

question 7 = apple

Explanation:

7 0
2 years ago
T's a good idea to refine___________, which is a good study habit
ANEK [815]
A. Your listening skills
Explanation: This means you pay more attention to the things around you, like when studying.
8 0
3 years ago
The group that needs the most sleep during a 24-hour cycle is __________.
spayn [35]

Answer:

d.infants

Explanation:

(0 to 3 months)  Newborns can sleep up to 14  to  17 hours including naps

3 0
2 years ago
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