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EastWind [94]
2 years ago
14

The table below shows the initial and final masses of a radioactive material in a container.

Biology
1 answer:
Nataly_w [17]2 years ago
5 0

Answer: the half life of the material is four years

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HELP PLEASE
Pepsi [2]

Answer: B)

Explanation:

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2 years ago
The primary location of digestion and absorption of nutrients is the:
klemol [59]
Small intestine, That's because they're long which enables a wider work for enzymes and digestive juice.
5 0
3 years ago
how is atmospheric carbon in the form of CO2 converted into a molecule that is usable to all organisms?​
mixas84 [53]

Answer:

The carbon-dioxide exists in the atmosphere, and it is dissolved in the water.

Explanation:

With the process of photosynthesis, it becomes organic, and by breathing, the organic gas goes back to carbon-dioxide.

The assimilation of carbon is the process when the carbon-dioxide converts to organic carbon with the help of living organisms. This organic carbon is then used for energy.

8 0
2 years ago
What kind of atoms typically have unstable nuclei?
nikklg [1K]

B & D

Protons and neutrons are energy particles found in the nucleus of atoms.

Explanation:

The forces that hold the protons and neutrons together in the nucleus are called strong nuclear forces. These forces are attractive over short distances and repulsive over long distances. This is why protons that are positively charged are held together in the nucleus  despite their repulsive tendencies. However, as the nucleus gets larger because of the larger number of protons and neutrons in the nucleus, the distance with which the string nuclear forces are attractive is surpassed.

The binding energy in the nucleus will, therefore, be surpassed by the repulsive forces of strong nuclear forces over long distances causing the atomic nucleus to lose some neutrons.

Learn More:

For more on protons and neutrons check out;

brainly.com/question/1264222

brainly.com/question/12520953

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8 0
3 years ago
Some animals shiver as a natural, involuntary response to their environment. Shivering generates heat. This is an example of whi
anyanavicka [17]

Answer: The answer is C!!! :D maintaining homeostasis by regulating the body's temp!

Explanation:

Shivering as a natural, involuntary response to generate heat is an example of  maintaining homeostasis by regulating body temperature.

Homeostasis refers to the maintenance of a relatively constant body environment. The normal range of operation of the body system is known as the setpoint.

When the setpoint temperature for some animals is breached, a negative feedback mechanism is used to return it to the setpoint. Shivering to generate heat is a response to a cold environment when the body's temperature is about to drop below the setpoint.

The oppositeis sweating. Sweating causes cooling and comes in response to when the setpoint temperature is exceeded.

Hopes this helps happy early Christmas!!!! :D

8 0
2 years ago
Read 2 more answers
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