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olchik [2.2K]
2 years ago
15

"the bacteria staphylococcus aureus has developed resistance to some antibiotic drugs. how did this resistance come about?"

Biology
1 answer:
Paha777 [63]2 years ago
4 0
<span>Staphylococcus aureus developed resistance to antibiotics because they evolved. This happened when bacteria were exposed to a drug, but not all of them died. The survivors reproduced and passed on their survival traits to their offspring.</span>
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An international company has 24,900 employees in one country. If this represents 34.8% of the company's employees, how many empl
Brrunno [24]

Answer:

There are a total of <u>71,551 employees</u> in the company.

Explanation:

Let the number of employees in the company be 'x'.

Given:

Number of employees in one country = 24900

As per question:

34.8% of total employees = 24900

⇒ 34.8\%\times x=24900

\frac{34.8}{100}\times x=24900\\\\0.348x=24900\\\\x=\frac{24900}{0.348}\\\\x=71,551.7\approx71,551

So, there are a total of 71,551 employees in the company.

7 0
2 years ago
If you fill up a balloon with a small amount of air, then set it in direct sunlight, you will see that the balloon expands. This
lakkis [162]

Answer:

Increase in kinetic energy of the gases

Explanation:

The direct sunlight will heat up the molecules making up the gases in the balloon.

Kinetic energy resulting from the heating of these particles will make them become randomized. They then begin to move more haphazardly colliding vigorously with themselves and the wall of balloon.

According to Charles's law "the volume of a fixed mass of gas is directly proportional to its temperature provided pressure remains constant" .

The sunlight heats the balloon and causes a rise in temperature. This will make the gas volume to increase and the balloon expands.

7 0
3 years ago
What is the electrical charge of an atom that has gained an electron?
valentinak56 [21]
Its protons because we know electrons= protons so its postive so a)

7 0
3 years ago
Read 2 more answers
At which temperature do particles stop moving entirely?
Mumz [18]
0K

explanation:

0 kelvin (273 degrees celsius)
4 0
3 years ago
Read 2 more answers
Which term is NOT spelled correctly?
Pavlova-9 [17]

It's 3,

intraocular is spelt with one c, not two

4 0
2 years ago
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