Naturally, limestone has a low solubility in water. However, water containing dissolved carbon dioxide produces carbonic acid according to the following reaction: H2O + CO2 = H2CO3. Carbonic acid is a weak acid, however, through time, it can significantly carve out limestone. Thus, carbon dioxide, which is present everywhere, play an important role in dissolving limestone.
Chromosomes contains the instructions to tell tell a cell what functions to perform
The correct answer is option D, that is, phenotypic.
The composite of an organism's observable traits or features, like its development, morphology, physiological or biochemical characteristics, products, and behaviors of an organism is known as a phenotype.
A phenotype is an outcome of the expression of the genetic code of an organism, its genotype, and the effect of environmental elements and the associations between both. The error in transcription or translation process usually leads to physical or phenotypic modifications in an organism.
The mice not receving the drug is the control group, meaning that mouse is the baseline for the expirement.