Answer:
D. Use the polymerase chain reaction
Explanation:
Polymerase chain reaction (PCR) is a molecular technique used to make multiple copies or amplify a particular DNA sample. This enables scientist conduct thorough genetic analysis on minute sample of DNA, simply by amplifying it to a large quantity.
The PCR machine is usually used to amplify DNA fragment. The DNA fragments undergo three major steps successively: denaturation, annealing and elongation
Which is a size-dependent property?
A. boiling point
B. conductivity
C. density
D.Mass
I think letter D
Why?
A size dependent property is a physical property that changes when the size of an object changes.Examples of size dependent properties: Length, Width, Height, Volume, Mass.

The things that you throw away are buried in the ground. They are buried in something known as a 'landfill'. These are very deep holes which hold A LOT of trash. The problem is, there are only a few locations left in most western countries which actually have space to hold all of the waste people are generating.
because sexual reproduction