Answer:
a. short grasses and cacti
Explanation:
The semi-arid and arid areas in the western part of the United States are harsh environments, and only specialized plants for these conditions can survive. The climate is hot and dry, the precipitation very low, and the soil is poor. The plants that survive in these places have adapted well to survive with very little water, to manage to extract water from the air, to preserve it, and being able to sustain very high temperatures. The short grasses are the dominant plants int he semi arid regions. They do not require rich soil, nor lot of water, so they manage to survive on the bear minimum that is available. The trademark plants of the arid areas are the cacti. The cacti are able to store large amounts of water in them, have very long roots, are able to extract water from the air through their needles, and also have skin that doesn't allow any water to come out of it.
Answer: The Law of Superposition, which states that in an undisturbed horizontal sequence of rocks, the oldest rock layers will be on the bottom, with successively younger rocks on top of these, helps geologists correlate rock layers around the world.
Explanation:
Above 500 billion years ago scientific think about Earth
Answer:
4.
Explanation:
Number 4 would benefit egypt as they would have cheaper electricity
Answer:
Properties of Bar Graphs
Each bar or column in a bar graph is of equal width. All bars have a common base. The height of the bar corresponds to the value of the data. The distance between each bar is the same.