which activity most contributed to economic interdependence among West African peoples? farming, hurding, textiles, trade.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.