Answer:
Natural disasters are caused due to different reasons like soil erosion, seismic activity, tectonic movements, air pressure, and ocean currents etc. Natural activities taking place in the earth's crust, as well as surface, are the main reasons for these disasters.
Answer:
The living conditions were unfair. People owning big industries saw an opportunity to work these immigrants day and night, though they only paid them less then what they deserve (but they didn't know that because they are new to America). Immigrants often didn't have enough money to provide for their families, so many of them were split apart and some children had to work. Because most couldn't pay for housing, many immigrants from the same areas lived in groups so they could help support each other. It was a difficult time for many, and a lot of immigrant workers slept in the factories, for there was no else to go.
Protein and Ribonucleic acids.
50/50 shot of recessive or dominate phenotype
