Does a xylem
Hold on to the soil and absorb water or is a tube yo move water up to the plant?

As a plant you have roots to absorb water. The xylem of a plant is the system of tubes and transport cells that circulates water and dissolved materials.

Explanation:

it’s lava came from an explosive eruption

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'