Which information do tiny fossils found in drilling samples from Earth’s crust reveal about Earth’s history? select all that apply.
Microfossils - "are perhaps the most important group of all fossils — they are extremely useful in age-dating, correlation and paleoenvironmental reconstruction, all important in the oil, mining, engineering, and environmental industries, as well as in general geology."
Answers -
1. changes in climate
3. types of plants in the area
4. age of the organism when it died
Irrigation machinery has <u>quadrupled </u>the amount of irrigated land in the US.
Irrigation refers to the act of artificially providing water to land to support the development of crops. It is an antiquated agrarian system and may have been honed as ahead of schedule as 5000 B.C. along the banks of such consistently flooding streams as the Nile. Channels were burrowed to broaden the region secured by the surge, and dams were raised to trap water on the land after the floodwaters had died down. The advancement of preoccupation dams and of water-lifting machines allowed the water system of terrains lying over those typically come to by floodwaters. Remainders of these antiquated structures have been found in Egypt, where all farmlands are flooded; Iraq; Lebanon; Syria; China; India; Peru; Mexico; and the United States. Present day water system frameworks are as yet in view of these two key building developments.
The popularity of people is decreasing
Plutons. It is 100% correct.
here is the definition of a pluton to prove my point:
<span>In geology, a pluton is a body of intrusive igneous rock, called a plutonic rock. It is crystallized from magma slowly cooling below the surface of the Earth. </span>
C because the plates a sliding past each other
