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klio [65]
3 years ago
6

Name the regulatory factor in childbirth

Biology
1 answer:
lilavasa [31]3 years ago
3 0
Homeostasis or the source of body heat
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What is the definition of energy?
Ulleksa [173]
The defination to energy is B) the ability to create a new substance.
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3 years ago
An endothermic reaction is a process
bagirrra123 [75]

Answer:

If the system is the reactants/products, the temperature would increase.

If the system is the surroundings in which the reaction is occuring, the temperature would decrease.

Explanation:

If I helped, a brainliest answer would be greatly appreciated!

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You are served dessert at a restaurant. You want to know what % of the calories in the dessert are from fat. The menu states tha
jasenka [17]

Answer:

39.82 %

Explanation:

Proteins and carbohydrates provide 4 calories per gram. On the other hand, fats provide 9 calories.

We can first calculate the calories of protein + carbohydrates:

       (30g + 4g) x 4 = 136 calories

And we must calculate the calories provided by fat:

        10g x 9 = 90 calories

Now to get the percentage we must see how many calories the dessert has in total:

          136 + 90 = 226 cal

This represents 100% of calories. And now we need to find out how much 90 calories are from the total.

           226 cal -----> 100%

             90 cal ------> X

       (90 x 100) / 226 = 39.82 %

4 0
3 years ago
A scientist tests a sample in the lab and finds
ziro4ka [17]

Answer:

It is difficult to obtain a final conclusion with this information, but it is possible that the sample doesn't contain living organisms whose genetic material is composed of DNA. Another possible reason for this result is that the DNA extraction protocol used in the experiment is not suitable for this sample.

4 0
3 years ago
In a high school laboratory, which of the following constitutes an experiment? I. learning to use a microscope by examining fixe
victus00 [196]

Answer:

The correct answer is - option III.

Explanation:

An experiment is scientific procedure to test a hypothesis and to demonstrate any scientific procedure to prove something. In high school laboratories there are experiments constitutes scientific methods that helps in demonstrate or prove or existence of something.

Extracting various pigments from the leaves of plants and identifying them by separating from it, is the best example of the high school laboratory experiment among all the options.

Thus, the correct answer is - option III.

7 0
3 years ago
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