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aev [14]
3 years ago
13

Mary is conducting an experiment on how pollution affects plant growth. How can she ensure that her data are reliable? by repeat

ing trials during an experiment by keeping the results private by recording values without units by making a single observation
Biology
2 answers:
yulyashka [42]3 years ago
8 0

Answer:

A

Explanation:

Ipatiy [6.2K]3 years ago
7 0

Answer:

a) By repeating trials during an experiment

Explanation:

In science, repetition during experimentation is extremely important and fundamental. By repeting experiments, the researcher ensures that results are reliable and not due to a single factor or coincidence. If the same result is observed after several repetitions, then it could indicate that x factor is responsible for x result.

After this observation, the researcher will be able to analyze data statistically and discuss it in order for other scientists to repeat this methodology and explain a specific phenomenon accurately and thoroughly.

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Atoms are held together in a molecule by __________________ bonds.
spayn [35]

Answer:

by convalent bonds

Explanation:

8 0
3 years ago
Which characteristic of a pine tree is an adaptation to the climate of the northwestern coniferous forests? . A. Deep roots B. C
Pie
The correct answer is letter "B. Conical shape ." The characteristic of a pine tree is an adaptation to the climate of the northwestern coniferous forests is that it is in conical shape. If C were needle like leaves that would be the best answer.
7 0
3 years ago
HELP!!! A population of jellyfish has shown a sharp decline. What types of factors should be investigated? (The last answer was
kupik [55]

What types of factors should be investigated?

D. Both abiotic and biotic factors in their ecosystem

Abiotic factors are non-living parts of an environment, while Biotic factors are the living parts of an environment. That being said, you should investigate both when the population of jellyfish show a sharp decline, in order to find out the cause in the decline of jellyfish.

8 0
3 years ago
What implications does the period of infectiousness have for the control of transmission of these diseases? How are chronic earn
marishachu [46]

Answer:

The implications are epidemies, risk factors and disease burden.

When it comes to Typhoid, the cronic earners are treated with prescribed antibiotics, changes in sanitary habits and blood testing.

When it comes to hepatitis b, the cronic earners are treated with prescribed antivirals,  blood tests, liver ultrasound and biopsy.

Explanation:

<em>Epidemies can occur because the sick population, might not be aware and contaminate the other amount who is not infected. That is the reason why the chronic earners must take the prescribed antibiotics for as long as the physician has prescribed, they must incorporate healthy sanitary habits like washing their hands with soap after using the bathroom, not preparing or serving food to other people. Because these actions will prevent others from getting the illness. And finally, they must get tested  so that the doctor can ensure that no Salmonella Typhi bacteria remain in their body. The best way to avoid Typhoid is by vaccine.</em>

<em>Hepatitis B epidemies, risk factors and disease burden happens when the chronic earner use illegal injected drugs and share the niddle, have unprotected sex with multiple partners, receive kidney dialysis or live with someone who has hepatitis B. So the best way of managing these patients is by lifetime treatment, which means that they will take antiviral medications, interferon injections or have a liver transplant. </em>

<em>The best way of preventing the hepatitis B is by vaccine, safe sex and no drugs.</em>

5 0
3 years ago
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