Before the rise of the Mongols in the 13th century, it is now
called central and western Inner Mongolia, particularly the Hetao region,
change back and forth in control between Chinese agriculturalists in the south
and nomadic Mongol of the north. is known through Chinese chronicles and
historians.
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.
From the given clauses and phrases, the independent clause can stand alone as a complete sentence while the dependent clause can not.
<h3>What are clauses?</h3>
Clauses are groups of words that contain a subject and a verb that are related together.
Clauses can be dependent or independent clauses.
A phrase is a group of words that do not contain a subject but may contain a verb.
Based on the given options:
- The independent clause is scientists create this plants and animals through genetic engineering.
- The dependent clause is " so that people can choose whether or not to consume these foods".
- The infinitive phrase is "to consume these foods "
- The gerund phrase is "the labelling of these foods".
Therefore, the independent clause can stand alone while the dependent clause can not.
Learn more about clauses at: brainly.com/question/798413
The larger cell would be able to get rid of the waste faster! The greater the surface-area to volume ratio of a cell, the easier it is for the cell to get rid of wastes and take in essential materials such as oxygen and nutrients through the plasma membrane!
A mother passes on her mt(DNA) or mitochondrial DNA which sometimes includes genetic material but a father only passes down a Y chromosome if he has a son. No genetic material.
