Answer:
Option D.
Explanation:
As stated in Mendel's law of segregation.
Answer: Tincture
Explanation:
A tincture can be defined as an extract of plant or animal material which is dissolved in ethanol commonly known as ethyl alcohol.
The solvent concentration is 25-60% are commonly used but it can be increased upto 90%.
Other solvents that is uswed to produce tincture are vinegar, propylene glycol, glycerol.
Answer:
<em>The correct option is D) the natural extinction rate</em>
Explanation:
Extinction can be described as a process due to which species get removed from the world.
Background extinction can be described as the standard rate of extinction of organisms of a species due to ecological or environmental factors. It is a low-level type of extinction which occurs over a long period of time. It can be described as the natural extinction rate of individual organisms. Hence, option D best describes the natural phenomenon of background extinction.
