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Marianna [84]
3 years ago
10

What spf sunscreen should you use to exercise outside?a. at least 15?

Biology
2 answers:
crimeas [40]3 years ago
7 0
 The answer is "At least 15". 
harkovskaia [24]3 years ago
3 0

Answer: Atleast 15 spf

Explanation:

SPF can be defined as the sun protection formula which is applied on the part of the part of the body which is going to be exposed in the sun.

Before 15 minutes to going out in the sunlight, sun protection formula should be applied on the bare skin.

The Different types of SPF protects different percentage of sunlight and the body is protected from the harmful UV rays of the sun that tans the body, spoils the texture of the skin and protects from skin cancer.

A spf 15 will protect 93% of the sun rays falling on it which is good if going out for exercise.

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More yeast gives more foam while the use of too many different types of sugars gives less foam.

Fermentation:

It is the process by which organisms break down glucose (sugars) to produce energy in the absence of the oxygen. During the fermentation, many types of by-products are formed such as alcohol, carbon dioxide, and acids.

In fermentation, the bubbles or gases, are produced by yeasts.

  • Here, if the amount of yeast is increased then the number of bubbles or foam will also increase.
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Therefore, more yeast gives more foam while the use of too many different types of sugars gives less foam.

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3 years ago
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In science why is it important to have more than one piece of evidence to support your claim?
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Answer:

It is important to have more than one piece of evidence to make sure that the evidence is actually evidence. Or in other words, that the evidence is proven true. With only one piece of evidence, you can't be fully sure if calculations were correct, if the source was trustworthy, etc.

Multiple evidence is kinda like double checking math problems. If you don't do it, you can't be 100% certain the answer is correct.

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What is the biggest problem with selecting a site for a reserve? (A) Making a proper selection is difficult because currently th
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(D) Most of the best sites are inaccessible by land transportation, so making roads to them is often prohibitively expensive.

<h3>What is a Reserve?</h3>

A nature reserve, also referred to as a wildlife refuge, a wildlife sanctuary, a biosphere reserve or bioreserve, a natural or nature preserve, or a nature conservation area, is a protected area that is important for its flora, fauna, or features of geological or other special interest. It is reserved and managed for conservation efforts as well as to offer unique opportunities for study and research.

In some nations, government agencies may designate them, as well as private landowners like charities and research facilities. Depending on the level of protection provided by local regulations, nature reserves are classified into various IUCN categories. It is typically subject to stricter protection than a natural park. In laws and official documents, different jurisdictions may use different wording, such as ecological protection area or private protected area.

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