Answer:
The correct answer will be option-D
Explanation:
Acid deposition is the process by which the acid formed in the atmosphere falls off with the rain and gets deposited in the lithosphere.
The deposition of the acid in the soil causes many adverse effects on the living organisms especially plants as deposition of acid leads to the reactions which result in the release of the elements from their compounds via a process known as "leaching".
The leaching of the elements leads to the decrease in the fertility of the soil and thus productivity of the plants or crops.
Thus, option-D is the correct answer.
Answer:
The phenotype may change constantly throughout the life of an individual because of environmental changes and the physiological and morphological changes associated with aging. Three types of natural selection, showing the effects of each on the distribution of phenotypes within a population.
A control is used to establish a baseline in an experiment.
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The correct answer is absolute threshold.
Absolute threshold is a neurobiological term referring to the lowest level of a stimulus that a person is able to detect. The stimulus can either be touch, sound, taste or light.
Regarding taste, the absolute threshold of taste is the lowest concentration of a certain compound which can be detected by the human sense of taste.
Answer:
genetic changes among and within populations
Explanation:
Microevolution occurs when there are changes in gene frequency within a population over a short period of time. Microevolution specifically refers to changes within a population, a population being a group of organisms that breed with each other.
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