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yan [13]
3 years ago
7

Is the world safe place for animals and plants?Guys pls answer it ​

Biology
2 answers:
Svetlanka [38]3 years ago
8 0

Answer:

Wildlife sanctuary is the place where wild animals are protected in their natural habitat. Here poaching or capturing the animals is prohibited. Biosphere reserves are the area used to conserve biodiversity like plants, animals and microorganisms. It contains many wildlife sanctuaries and national parks.

Explanation:

Naya [18.7K]3 years ago
5 0

Answer:

No it isn't

Explanation:

Nothing is ever safe everything is constantly trying to kill you and the same goes for animals. Wether it be humans or other animals and even their own bodies.

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IRINA_888 [86]

Answer:

B?

Explanation:

8 0
2 years ago
If 1/8 remains after 21 years, what is the half-life?
vagabundo [1.1K]

Half life formula

The number of unstable nuclei remaining after time t can be determined according to this equation:

N(t) = N(0) * 0.5^(t/T)

where:

N(t) is the remaining quantity of a substance after time t has elapsed.

N(0) is the initial quantity of this substance.

T is the half-life.

It is also possible to determine the remaining quantity of a substance using a few other parameters:

N(t) = N(0) * e^(-t/τ)

N(t) = N(0) * e^(-λt)

τ is the mean lifetime - the average amount of time a nucleus remains intact.

λ is the decay constant (rate of decay).

All three of the parameters characterizing a substance's radioactivity are related in the following way:

T = ln(2)/λ = ln(2)*τ

How to calculate the half life

Determine the initial amount of a substance. For example, N(0) = 2.5 kg.

Determine the final amount of a substance - for instance, N(t) = 2.1 kg.

Measure how long it took for that amount of material to decay. In our experiment, we observed that it took 5 minutes.

Input these values into our half life calculator. It will compute a result for you instantaneously - in this case, the half life is equal to 19.88 minutes.

If you are not certain that our calculator returned the correct result, you can always check it using the half life formula.

8 0
3 years ago
______ happens when rain, snow, sleet, and hail that falls from the clouds to the earth’s surface.
Rudik [331]

Answer:

precipitation

Explanation:

4 0
3 years ago
What features are seen in all cells?
Serga [27]

All cells share four common components: (1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell; and (4) ribosomes, particles that synthesize proteins. However, prokaryotes differ from eukaryotic cells in several ways.

3 0
2 years ago
Read 2 more answers
_____ is the study of the connections between stress, the body's immune system, and illness.
monitta
The answer is Psychoneuroimmunology. 
This is the study pf the interactions among behavioral, neural and endoicrine, and immune processes. The brain communicates with the immune system through the autonomic nervous system and neuroendocrine activitry.
3 0
2 years ago
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