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aniked [119]
3 years ago
9

Consider the two facts below: Fact 1: Dissolved oxygen is one of the most important nutrients needed by fish in the aquatic envi

ronment to survive. Fact 2: Unlike solids, whose solubility increases with increasing temperature, the solubility of gases generally decreases with increasing temperature. Which scenarios may be explained by the facts on the left? Check all that apply. There is more dissolved oxygen in colder waters than in warm water. There is less dissolved oxygen in colder waters than in warm water. Fish life in the ocean is more abundant during the seaons with warmer water than seasons with cooler water. If ocean temperatures rise, then the risk to the fish population increases.
Chemistry
2 answers:
bulgar [2K]3 years ago
4 0

Answer:1,4

Explanation:

A,D

muminat3 years ago
4 0

Answer:

The correct answers are There is more dissolved oxygen in colder waters than in warm water. If ocean temperatures rise, then the risk to the fish population increases.

Explanation:

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4 0
3 years ago
The accepted value for the mass of a moonrock is 46.37 g. In an experiment the rock is measured to be 47.25 g. What is the perce
Artist 52 [7]

Answer:

The answer is

<h2>2.00 %</h2>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual measurement = 46.37 g

error = 47.25 - 46.37 = 0.88

The percentage error of the measurement is

P(\%) =  \frac{0.88}{46.37}  \times 100 \\  = 1.89777873...

We have the final answer as

<h3>2.00 %</h3>

Hope this helps you

4 0
3 years ago
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AfilCa [17]

Answer:

the fourth one I think....m

Explanation:

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7 0
3 years ago
As a forensic expert, Jane needs to handle many biological evidence samples simultaneously. What is the basic precaution that sh
madreJ [45]

Answer:

B.  use a new pair of gloves for each piece of evidence

Explanation:

When it comes to the basic precautions of handling biological evidence samples, one has to prevent cross contamination. This refers to the<em> transfer of DNA from one evidence to another evidence</em>; thus, it is important for Jane to use a new pair of gloves for each piece of evidence in order to prevent such occurrence.

Wearing of gloves will also <em>prevent Jane's DNA from being implanted into the sample</em>, and it will keep her safe from contracting blood-borne pathogens like those in the saliva, blood or semen.

7 0
3 years ago
Please help me with this question
Inessa05 [86]

From the calculation, the concentration in parts per billion is 6 ppb.

<h3>What is ppb?</h3>

The term ppb refers to the concentration of a substance in parts per billion. We obtain the ppb using the formula;

Mass of solute/ Mass of solution * 10^9

Now, 1L = 1000cm^3 = 1000 g

The concertation in ppb = 6 * 10^-6 g/1000 g * 10^9

= 6 ppb

Learn more about parts per billion:brainly.com/question/9179966

#SPJ1

4 0
2 years ago
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