Continental crust is mostly composed of different types of granites. Geologists often refer to the rocks of the continental crust as “sial.” Sial stands for silicate and aluminum, the most abundant minerals in continental crust.
they arose by artificial selection. this is because to obtain animal with this traits, there is an interference by humans. i.e these organisms do not result from natural selection. the process of obtaining organisms with increased number of desirable traits is referred to as hybrid vigor. in this process an animal with certain desirable trait is bred with another animal with another different type of desirable trait. the resulting offspring will have both desirable traits.
The answer should be a. Amy.
The observations she made were based on their location. She categorized them as in or near water and non-water wildlife. She based the observations based on where they reside or their habitat.