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2 years ago

What are the steps in the experiment? (list four steps) How do the scientists test the hypothesis?

Biology

1 answer:

Mandarinka [93]2 years ago

3 0

Answer:

Make an observation, create a hypothesis, test the hypothesis, draw conclusions and refine the hypothesis.

They test the hypothesis by stating the hypothesis, formatting an analysis plan, analyzing sample data from experiment, then interpreting the results in the conclusion.

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1. Compare and contrast a food chain and a food web.

tigry1 [53]

In comparison they both show feeding relationship in an ecosystem.
In contrast, a food chain is a simple linear feeding relationship while a food web is a complex feeding relationship.

2) The arrows is to show the direction of the feeding relationship

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2 years ago

Black coffee has a pH around 5; hand soap has a pH of 10. How many times more acidic is coffee relative

Anon25 [30]

Answer:

$\boxed {\boxed {\sf 10^5 \ or \ 100,000 \ times \ more \ acidic}}$

Explanation:

The pH scale stands for the power or potential of hydrogen. It measures how acidic or basic a solution based on the concentration of hydrogen ions and a scale from 1 to 14.

This scale is unique because it is logarithmic. So, every time the pH changes by 1 on the scale, the actual concentration of the solution increases or decreases by a tenfold.

So, a solution with a pH of 7 is ten times more acidic than a solution with a pH of 8. This can be translated to:

$10^ {difference \ in \ pH}$

The black coffee has a pH of 5 and the hand soap has a pH of 10. We want to find how many times more acidic coffee is, so we subtract 5 from 10 and get 5. The difference in pH is 5.

$10^5=100,000$

Coffee is <u>10⁵ or 100,000 times more acidic than hand soap.</u>

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2 years ago

What would happen if a person's body temperature dropped too low or got too high?

jeyben [28]

The person would of died i could be wrong

8 0

2 years ago

Read 2 more answers

Professor is preparing a traditional Thanksgiving meal and decides to make some turkey soup. He uses part of the leftover turkey

Umnica [9.8K]

Answer:

Fat from the Turkey

Explanation:

It's from the turkey. The fat solidified and the layer is floating at the top.

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2 years ago

You are on the scene in the bad part of town for an unresponsive 18-year-old type 1 diabetic patient. his mother states that he

Margaret [11]

<span>The answer would be: Continue patient care by getting a complete SAMPLE history and perform a complete secondary assessment.

If the reading of glucose test is normal, then you can exclude hypoglycemia from the possible diagnosis. Because the patient is accompanied by his mother, you can ask a brief history to exclude other possible diagnosis and complete secondary assessment before further help comes. The information would be beneficial to the healthcare personnel that will comes for help.
</span>

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2 years ago

What are the steps in the experiment? (list four steps) How do the scientists test the hypothesis?​

What are the steps in the experiment? (list four steps) How do the scientists test the hypothesis?