LUMINOSITY
The energy that is emitted by the star per unit time is called luminosity of a star
<em>Luminosity of a Sun:-</em>
<em />
<em> 3.8 × 10²⁶ W.</em>
<em />
<em>SI unit :-</em>
<em />
<em> It is measured in Watts</em>
<em />
<em> The brightness of a star as seen from the earth means that the brightness of star from 32.6 light-years away ( from earth)</em>
<em />
<em />
<span>When a gene changes within a population over time, it is referred to as evolution. This refers to a long but steady rate of mutations that occur in genes of organisms within the environment. A lot of factors affect a population's evolution (e.g. climate, reproduction, food source) and it is a determinant whether a species will survive for the next generations. </span>
Answer:
A modificação genética permite que os criadores introduzam uma determinada característica de uma ampla variedade de fontes vivas em uma espécie, permitindo a introdução de muitas características mais valiosas.
Espero que isto ajude!
- Quinn
