Any object thrown upwards or dropped from a height<span> is pulled towards the Earth's surface due to Earth's gravity. Such objects experience a constant acceleration, known as acceleration due to gravity (</span>denoted<span> by g), which has a numerical value of 9.81 m/s^2.</span>
Answer:
Genetic Change in Viruses. Viruses are continuously changing as a result of genetic selection. They undergo subtle genetic changes through mutation and major genetic changes through recombination. Mutation occurs when an error is incorporated in the viral genome.
