Answer:
B) Absence of native grasses
Explanation:
The grasses, which acted as a windbreak and whose roots anchored the soil in place, were overgrazed and/or removed to allow for farming. Once a few years of severe drought affected the area, any wind storm was able to blow the topsoil away, rendering the farm land of the Great Plains virtually unusable in many areas. Ground cover is an essential part of sustainable agriculture.
Quite sure C is correct ;) remember that humans are also placental mammals.
Answer:
The water we drink now was the same water the dinosaurs drank. Discuss how the water cycle makes this statement accurate. Include different parts of the water cycle and what processes help move the water through each part.
Answer:
The legacy of the Roman Empire has been varied and significant, comparable to that of other ... One main legacy is the Latin language of ancient Rome
Explanation:???
The correct answer is option A
Phloem is a vascular tissue which helps in the transportation of sugars from the source tissue( where it is formed). The carbohydrates or sugars are transported from the chloroplast of the plant to the other parts of the plant. Other molecules along with carbohydrates are also transported with the help of phloem.