1. 5N
2. Yes
3. Towards boy A (the one pulling with 10 N)
Because of pollution and over hunting
Significance of the Paleolithic era was that it took up up the majority of our human history about 96% and although not much happened in that time, without the Paleolithic era, there would be no foundation for modern life.
Answer:
salt water or sea water
Explanation:
because NaCl is equal to salt (sodium chloride), and H2O means water- 2hydrogen and oxygen.
and sea water/salt water is a form of solution in salt with water.
hope it helps✨
Coal, oil, or natural gas.
pls mark brainliest
