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mart [117]
2 years ago
8

What is half life and what do scientists use it for?

Biology
1 answer:
VashaNatasha [74]2 years ago
3 0

Answer:

the time taken for the radioactivity of a specified isotope to fall to half its original value.

The half-life of an isotope is used to describe the rate at which the isotope will decay and give off radiation. Using the half-life, it is possible to predict the amount of radioactive material that will remain after a given amount of time.

Explanation:

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Which two fields of study provide the core information that is used to classify organisms
Fudgin [204]

Answer:

MaxSan. The two fields of study that provide the core information that is used to classify organisms are: Morphology, a branch of biology that studies the form or structure of living beings. Biochemistry, is responsible for studying from a chemical perspective the composition, structure and functions of living beings

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7 0
3 years ago
If a patient who lives in texarkana, arkansas, sees a physician for medicare part b in newark, new jersey, to which location's m
Kitty [74]
The claim should be sent through the process of latter making. The answer goes with the wuestion
5 0
2 years ago
The organism shown is a free-living one that is anchored to the bottom of ponds and streams during the first part of its life cy
luda_lava [24]

The common name of this organism is hydra.

<u>Explanation:</u>

Hydra is a fresh water organism and belongs to the phylum Cnidarian. They have tentacles around their body that enables locomotion as well as protection from prey.  Hydra has the ability of regeneration and the asexual mode of reproduction in hydra is budding.

In the budding process, a small bud develops in the parent body and the bud after maturation gets detached from the parent body and grows into a new individual.  Sexual mode of reproduction is also found in hydra.

5 0
3 years ago
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Which of the following statements about the effects of pollution on marine ecosystems is true?
ankoles [38]

Answer is b. Burning fossil fuels causes a decrease in the pH of ocean water making it more acidic.

Burning of fossil fuels release carbon dioxide and other harmful gases in the atmosphere. Carbon dioxide gets dissolves in the ocean to form carbonic acid.  Due to formation carbonic acid, the pH of ocean water changes slightly. The average pH of ocean water was 8.2 slightly basic. Now it 8.1, it means there is 25 % increase in acidity of ocean water.  

5 0
3 years ago
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Where is a meteorite found?<br> 1) in space <br> 2) in earth’s atmosphere <br> 3) hitting the sun
AnnZ [28]

Answer:

In space

Explanation:

Because it would be weird if it would be in earth's atmosphere, and hitting the sun is rare. Most likely to come from space

8 0
2 years ago
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