Answer: Physics
Explanation: Physics is the field of science that studies an objects behavior in a certain time and space.
B.) <span>A species that influences the survival of many other species in an ecosystem is called a "Keystone Species" example. "Jaguar"
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I'm pretty sure the answer is D. poor working conditions, because people back then were very serious when it came to working, since they needed the money badly. All of the other answer choices are factors that led to the Great Depression.
Missouri Compromise admitted the zone of Maine, the northern locale of what was then Massachusetts, into the Union as a Free State.
This was done to adjust the quantity of "slave states" and "free states." This happened because of a compromise about slavery in Missouri, and in the federal regions of the American west.