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8090 [49]
3 years ago
13

Sound wave vibrations are transmitted by three tiny bones located in the

Biology
2 answers:
Sauron [17]3 years ago
8 0
Located in the Middle ear
erastova [34]3 years ago
8 0
These bones are located in the middle ear
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Tlon
Nadya [2.5K]

Answer:

B. The rating number means it will  protect you that many times  longer than without sunscreen

Explanation:

The sun protection factor is a comparison between the length of time it will take for a skin that has no sunscreen to begin reddening compared to a skin with sunscreen applied. Therefore, the ratings is an indication of the length of time a person will be protected from ultraviolet rays than when the individual has no sunscreen applied.

While higher SPF's are believed to offer more protection against UV rays, the added protection is usually just a negligible amount. They are very important for the skin and protect the body against diseases like cancer.

8 0
3 years ago
Scientists have successfully inserted the human gene for insulin into bacteria.
gregori [183]

Answer:Human plasmid can mutate

Explanation:

8 0
2 years ago
How many oxygen atoms are released into the atmosphere because of the process of<br>photosynthesis?​
vodomira [7]

Answer:

2 oxygen atoms get released into the atmosphere because of photosynthesis

Explanation:

the oxygen gas is produced as a waste product from the plant so 2 atoms of oxygen are created and combine and form oxygen

HOPE THIS HELPS

6 0
3 years ago
Read 2 more answers
What term describes the blood<br> pressure when the heart is at rest?
jeyben [28]

Answer:

diastolic pressure

Explanation:

Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is called diastolic pressure.

4 0
2 years ago
Read 2 more answers
Reptiles are better suited to dry land than their amphibian ancestors because
Vaselesa [24]

Answer:

<u><em>All of the above.</em></u>

Explanation:

1. Their watertight skin minimizes moistures loss: <em>Reptiles have a reputation that they are “slimy” when we touch and hold them; however, they have dry skin, which has even fewer glands than mammals or amphibians. The main special feature of their skin is that the epidermis is heavily keratinized with a layer, which also prevents water loss.</em>

2. Amphibians must lay eggs in water or in moist soil to reduce moisture loss: <em>Because amphibian eggs don't have an amnion, the eggs would dry out if they were laid on the land, so amphibians lay their eggs in water.</em>

3. Reptile egg shells are harder than amphibians' eggs: <em>Reptile eggs are coated with a leathery or brittle coating, and the animals that hatch from them are miniature versions of the full-sized animal parent. In contrast, amphibian eggs are transparent and jelly-like. The animals that hatch from them still must go through metamorphosis.</em>

<u><em>Hope this helps you have a better understanding:) !!</em></u>

7 0
2 years ago
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