Answer:
(a)-Rills, and arroyos or gullies develop mainly during prolonged droughts.
Explanation:
Soil erosion is the process of erosion, transport and sedimentation of soil, subsoils and rocks as an effect of the action of erosive agents such as water, winds and living things. The process of disintegration of rock particles (called sediments) is caused by the action of weathering (a set of chemical, physical and biological processes that cause soil and rock wear).
About soil erosion, we can confirm that the following information is true:
- Grasses and other vegetation, windbreaks, and contour cropping will help reduce soil loss from cultivated lands.
- Soils form naturally by weathering; if protected from erosion, sound management can maintain or enhance their nutrient levels and textural characteristics.
Its called the independent variable I think.
B. Hypothalamus and pituitary gland
Answer:
Pakicetus had an ear bone with a characteristic specific to whales and a distinctive long skull shape of a whale's.
Pakicetus
• Pakicetus was a wolf-sized animal and was a carnivore that at certain occasions consumed fish had exhibited features of its anatomy that associated it to the modern cetaceans, porpoises, whales, and dolphins.
• It had the body of a land animal, however, its head exhibited the distinctive long skull similar to a whale.
• With time, the fossils also showed that Pakicetus possessed an ear bone with a characteristic specific to whales.
Thus, pakicetus can be considered as the first whale who exhibited certain similar anatomic features like that of a whale.
Find out more information about Pakicetus anatomy here:
brainly.com/question/16395727
Explanation:
