According to many scientists, what effect does pollution have on global temperatures? A. Pollution causes acid rain, which leads to rising sea levels.
B. Chemicals in pollution end up in the oceans, causing water temperatures to rise.
C. Pollution decreases ozone, which prevents the Earth from absorbing heat from the Sun.
D. Many chemicals in pollution act like greenhouse gases, which trap heat in the atmosphere.
Please select the best answer from the choices provided
Ο Α
ОВ
Ос
OD

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

What was different about warfare in the early 1800s and early 1900s?

“dear sir: it is with great reluctance, i trouble you on a subject, which does not fall within your province; but it is a subject that occasions me more distress, than i have felt, since the commencement of the war; and which loudly demands the most zealous exertions of every person of weight and authority, who is interested in the success of our affairs. i mean the present dreadful situation of the army for want of provisions, and the miserable prospects before us, with respect to futurity. it is more alarming than you will probably conceive, for, to form a just idea, it were necessary to be on the spot. for some days past, there has been little less, than a famine in camp. a part of the army has been a week, without any kind of flesh, and the rest for three or four days. naked and starving as they are, we cannot enough admire the incomparable patience and fidelity of the soldiery, that they have not been ere this excited by their sufferings, to a general mutiny or dispersion. strong symptoms, however, discontent have appeared in particular instances; and nothing but the most acitive efforts every where can long avert so shocking a catastrophe.” what’s the central idea?