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NARA [144]
3 years ago
15

Try to explain with your words what is Osmosis.

Biology
2 answers:
vodomira [7]3 years ago
6 0
When molecules of a solvent pass through a semi-permeable membrane from a low concentrated solution to a higher concentrated solution.
Yanka [14]3 years ago
4 0

answer:

Passage of a solvent (such as water) from a lower-concentration solution to a higher-concentration solution

explanation:

Passage of a solvent (such as water) from a lower-concentration solution to a higher-concentration solution, by a semi-permeable layer (that enables the solvent to pass but not what is diffused in it) departing the two extracts. The flow of solvent ends when both solutions become even in concentration. In nature, osmosis is a primary source by means of which nutrients are carried to the cells.

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What type of concern is raised by embryonic stem cell research?
aev [14]
A.) ethical is a concern raised
8 0
2 years ago
A geologist is studying two different rhyolite flows to determine if they were erupted at the same time.
ss7ja [257]
Q1. The answer is 1.

It can be calculated using the equation:

 (1/2)ⁿ = x

x - decimal amount remaining, 

n - a number of half-lives.


x = 50% = 50/100 = 0.5

n = ?

(1/2)ⁿ = 0.5

log((1/2)ⁿ) = log(0.5)

n * log(1/2) = log(0.5)

n * log(0.5) = log(0.5)

n = log(0.5)/log(0.5)

n = 1


Q10. The answer is 2.


It can be calculated using the equation:

 (1/2)ⁿ = x

x - decimal amount remaining, 

n - a number of half-lives.


Rhyolite #2 has 25% of the parent H remaining:

x = 25% = 25/100 = 0.25

n = ?

(1/2)ⁿ = 0.25

log((1/2)ⁿ) = log(0.25)

n * log(1/2) = log(0.25)

n * log(0.5) = log(0.25)

n = log(0.25)/log(0.5)

n = -0.602 / - 0.301

n = 2



Q3. The answer is 100 million years.


A number of half-lives (n) is a quotient of total time elapsed (t) and length of half-life (H):

n = t/H

n = 1

t = ?

H = 100 000 000 years


n = t/H

t = n * H

t = 1 * 100 000 000 years

t = 100 000 000 years<span>

</span>

4 0
3 years ago
PLEASE HELP ME!!! I NEED THIS SO I CAN PASS MY CLASS AND I ONLY HAVE TEN MINS LEFT!!!! I WILL MARK BRAINILIST!!!
Verdich [7]

Answer:

Coal.

Explanation:

Steam power plant has the lowest efficiency in electricity production which can only be run with the use of fossil fuels such as coal. The efficiency of this power plant is the lowest because large amount of coal is converted into smoke and other gases and very less amount of coal into heat energy. This coal is used to produce heat energy which can be used in the heating of water to produce steam. This steam is used to move turbines which turn mechanical energy into electric energy.

4 0
2 years ago
According to appearances, which light produces the healthiest plant?
Dennis_Churaev [7]

Answer:

Blue light

Adding 10-20% blue light allowed plants to grow much healthier, with a compact appearance. There is also far-red light which is has wavelengths that are lower than normal red light–similar to near-infrared wavelengths. Far-red light helps the plants produce greater yields.

3 0
3 years ago
Mr. Shepherd is at a football game on a cold day. How does his body maintain a relatively constant body temperature? What is thi
jok3333 [9.3K]

Answer:

1. Mr. Shepherd maintain a relative constant body temperature by preventing loss of heat.

2 This process is called HOMEOSTASIS

Explanation:

Homeostasis is the process whereby living organisms maintain a stable internal environment despite changes in conditions to the external environment. It is necessary that the body undergoes this process in order to guarantee survival.

According to this question, Mr. Shepherd is at a football game on a cold day. This means that in order to maintain a stable internal temperature, the body must preserve heat in the body and prevent its loss via sweating.

6 0
2 years ago
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