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icang [17]
3 years ago
10

10.   An example of an atom that has no charge is one that has

Biology
1 answer:
Kruka [31]3 years ago
4 0
Is called a neutral atom
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An experiment was designed to investigate if caffeine would raise the heartbeat of water fleas. Two groups of water fleas were u
fgiga [73]

Answer:

That is administered and controlled

Step-by-step explanation:

A variable is the condition or a product that may vary without the influence of any investigator. Such variables can be found abundantly in our daily lives, ranging from air to sunlight. Controlling such variables ensures the limitation of their influence on the outcome of an experiment. In connection to this experiment, the variables that are controlled are the mineral content in the water, the  amount of bacteria food, the amount of light and the the constant temperature of 20 degrees C.

If not administered or these variables controlled, the experiment would not clearly explain the impact of caffeine on the heart beat of the water fleas as other variables may have influenced it. Thus variables are controlled to study the singular impact of any agent or effect.  

8 0
3 years ago
If a student were to walk around the perimeter of this rectangle one time, determine the distance the student walked and their d
makvit [3.9K]

Answer:

its blurry but based on what i see the second one

Explanation:

7 0
3 years ago
PLEASE HELP!!!
sineoko [7]
I believe it is D as it is a better answer than D because of the fact that the statement does not explein the age of her grandmother "old" is just drawing a conclusion off nothing, and it does not say that she does not like her at all , thus it is an incorrect statement . So the answer is D.
4 0
3 years ago
Read 2 more answers
Which of the following statements is true of cartliage and bone development
Semenov [28]

Answer:

<u><em>Some cartilage becomes bone through ossification during childhood development. </em></u>

<u><em></em></u>

Explanation:

You forgot to include options.

3 0
3 years ago
Before returning to the heart, blood from the digestive tract first passes through the..
loris [4]

Answer: Liver

Explanation:

The hepatic portal system of liver connects the capillaries of the gastrointestinal tract to the liver. The nutrient rich blood from the gastrointestinal tract reaches the liver.

The blood that is returned back to the heart is first bought to liver and then it is returned back to the heart.

From the liver after processing the blood goes into heart for further processing.

Hence, the correct answer is option d

7 0
3 years ago
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