Answer:
See below
Explanation:
There are several reasons that genetic variation occurs. Some of them are as follows: mutation, random fertilization, recombination event during meiosis etc. The way in which this variation in genetics is distributed is in a continuous way. In case of the human species, it is reported that 85% of all variation is within a certain population, while the remaining 15% of genetic variation is between populations.
Answer:
Even after an infection is over, your immune system continues to make antibodies. Once you test positive for the bacteria, your blood will continue to test positive for months or years even after the bacteria are no longer present.
Explanation:
using brain
Answer:
Radioactive decay means the process by which unstable nucleus of an atom spontaneously releases energy through the emissions of radiation used in dating fossils and rocks.
Relative dating mean the time required for half the atoms in an element to divide in half.
Explanation:
So radioactive decay belongs to A.
And relative dating belongs to B.
Please mark Brainlist if right
The correct answer would be the third option. The correct plan for the experiment would be that the type of salt and the amount of water are controls, and the amount of salt and the density are variables. Sheila wants to know the affect of varying the amount of salt to the density so it is the density and the amount of salt that is being changed while the type of salt and the water are kept constant since they are not being investigated.