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3 years ago

GIVING BRAINLIEST PLEASE HELP!!

Physics

1 answer:

ohaa [14]3 years ago

5 0

Answer:

Explanation:

heat is thermal energy transferred from a hotter system while temperature is a measure of the average kinetic energy of atoms or molecules in the system

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Cohort studies allow the investigator to examine multiple outcomes and multiple exposures. Consider the following three exposure

mojhsa [17]

Answer:

See the explanation for the answer.

Explanation:

Cohort study for smoking

Outcomes that were examined

1. People at risk of lung cancer due to smoking

2. Influence of outdoor air pollution in lung cancer

3. Variation in tobacco smoking and heavy tobacco smoking was observed.

4. Occupational factors and housing factor were observed.

Cohort study for low vitamin D

Outcomes that were examined

1. People at risk of vitamin D deficiency.

2. Observing value in summer.

3. Correlating vitamin D value with weather and age

4. 25-hydroxy vitamin D was observed.

Cohort study for cold weather

Outcomes that were examined

1. Allergic and asthma risked people were observed.

2. effect on the people when temperature goes up.

3. Observation on the most harsh weather day.

4. Correlating it with age and analysis.

3 0

4 years ago

The wave length of violet light rounded to the nearest nanometer is a __ nm

nataly862011 [7]

Wavelength= speed / frequency

so.....3× 10^8 / 7.26×10^14
= .413× 10^(-6)

in scientific notation= 4.13×10^(-7)

in nanometer = 413 nm

6 0

3 years ago

If it took 3 hours to clean 6 houses, how many houses could be cleaned in 12 hours?

mel-nik [20]

Answer:

Explanation:

If it took 3 hours to clean 6 houses than you can figure that is 2 houses per hours. so if there are 12 hours and 2 houses an hour, you multiply 12x2 and get 24. Another way to do it is to use proportions (aka two fractions that equal eachother):

3 hours 12 hours

---------------- = ---------------

6 houses number of houses

To calculate this, we can think about how we go from 3 to 12. Well, 3x4 is 12, so we got to 12 by doing multiplying by 4. So we can multiply 6 by 4 and you get 24.

Hope it helps! have a great day :)

8 0

3 years ago

Read 2 more answers

What do we call the certain electrons that are able to sometimes wander away or be shared? *

Natalka [10]

Answer:

compond

Explanation:

5 0

3 years ago

Describe what happens when electrical impulses cross muscle fibers

kaheart [24]

Answer:

Sometimes may cause involuntary responses like twitching

Explanation:

8 0

4 years ago