Which of the following was an achievement of mathematicians during the gupta empire?
a) the development of the pythagorean theorem
b) the invention of the abacus
c) the development of the place value system that we use today
d) the development of the field of trigonometry

What is the main purpose of "falling action" in a story?

If the ussrs economy has remained agricultural-based rather than industrial, then a. the unemployment rate among men would have been much lower b. women would have been less in demand in the workforce c. crop productivity would have led to larger , better nourished populations d. children would not have had to leave school early to work in factories

Anoxia, or a lack of oxygen in bodies of water, leads to a. unsafe drinking water b. dead zones c. global warming d. algae blooms select the best answer from the choices provided. a b c d