Answer:
Pollution and Population are correct
Answer:
Correct answer is C. They were trying to obtain higher paying jobs
.
Explanation:
Correct answer is C because United States was economically much more developed and because of the revolution in Mexico the situation in the country was very unstable, as economy was.
A is not correct because there were no persecutions of this kind until 1926 and the Cristero Revolt.
B is not correct answer as they weren't able to gain practically any type of education in the United States.
D is also wrong, because as immigrants they weren't allowed to participate in political life.
Downward Gravity and Upward Buoyancy
Answer: A
Explanation:
If there is less pollution then you can use more water
Answer:
Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.
Seismic waves are recorded by a machine called a seismograph, which tells us about the strength and speed of the seismic waves. ... Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
Explanation:
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