Answer: Using intensive farming practices that removed protective grasses.
Explanation: im 20
Dorothy Vaughan had six children, so it was really hard to commit to them and science at the same time. But this reconciliation was, in her case, a philosophical matter of private and public interest. What she did as a scientist helped her children too, just like so many other children, and humanity in general. As a mother, she naturally missed her children and wanted to spend more time with them; but she had this other mission as well, which was even more important, in terms of humanity.
I think the first one is Sierra madre and second one is Andes mountains...
The Missouri Compromise determine the balance of free and slave states, in addition to the admission of 2 new states. Passed by the 16th United States Congress on May 8, 1820, Missouri was admitted as a slave state, with Maine as a free state. This way, exactly half of the states were considered slave states, and the other half were considered the free states. This worked to diffuse sectional and political conflicts that would arise with unbalance.
