Answer:
The correct answer is option - a virus.
Explanation:
Viruses are the infectious agents that are neither considered living nor nonliving organisms. The viruses possess the genetic material enclosed in the capsid made up of the proteins.
Genetic material or the genome of the viruses could be the DNA or the RNA as single or double-stranded forms. The viruses with RNA as genetic material termed as the adenoviruses such as tobacco mosaic viruses and HIV and others.
Thus, the correct answer is option - a virus.
The best answer i see is A)- Cooling
i hope this is right and it helps you
C. Tree roots split apart rocks in the ground
Answer:
Option-D, a segment of DNA
Explanation:
A gene represents the particular segment of DNA which contains the instruction for the trait of an organism. The nucleotide sequence present in the segment provides the instruction in the form of codons.
The gene is present in the form of its alternative form called alleles which are located on the chromosomes at locus. The alleles represent the variants of the gene and therefore controls the two variety of a single trait.
Thus, Option-D is correct.
Because if we use too much coal we are wasting fossil fuels and burning coal hurts the environment so the alternative energy sources provide clean energy
