Earth's circumference is about 40,000 km, and its shape is a. an oval.
c. a perfect sphere.
b. an oblate spheroid.
d. a perfect circle.

What happens to atoms and chemical bonds during a reaction?

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

What should the power status of a circuit be when measuring resistance with an ohmmeter?