In sexual reproduction offsprings are genetically different from the parnets. this is because?

In sexual reproduction offsprings are genetically different from the parents this is because they get the genes from two different organisms i. e. male and female organism. The offspring has the characteristics of both male and female parent so that's why offspring is different from their parents. While in asexual reproduction, the new organism is produced from a single organism so there is no variation in the offspring.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.