Answer: d. all of the above
Woodlands and forests are essential sources of food and shelter of both human and animals. With wildfire and forest destruction, such sources and even the very existence of varying species are significantly affected and devastated.
It is a completely false statement that the top of a sedimentary layer was deposited before the bottom. The correct option among all the options that are given in the question is the second option or option "B". The top layer is always deposited later than the bottom layer. I hope the answer helps you.
Desert
pavement is created as a result of deflation. Desert
pavement is formed by the process of deflation. Normally, small and fine
fragments are carried by wind since they are light in weight as the larger
compact particles are left behind. What remains is rocky, compact, and not
easily eroded, and it is what is commonly referred to as the desert pavement.