Two spheres each have a charge of -0.0025 C and are separated by a distance of 8.00 m. What is the electrical force between them?

A. 949 N
B. 669. N
C. 879 N
D. 769 N

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.