Which option determines gravitational pull?

A. Acceleration

B. The sun

C. Volume

D. Mass

What effects occur when heat energy is added to a system

How is the number 15,000 written in scientific notation? O A. 1.0 x 103 O B. 1.5 x 106 O c. 1.5 103 O D. 1.5 * 104

When there is a change of state, such as a solid to liquid or liquid to gas, heat energy can be added without a temperature change because A) the added energy is not needed. B) the energy is lost to the system.

Static discharge occurs more frequently at high temperatures?

Which two element are we know about from everyday use and how are they similar how are they different?

When is the data considered valid

Which of the following are not part of the stages in cognitive development? A. Sensorimotor B. Concrete C. Formal D. Semi-formal E. Formal operational

If an ice cube melts at 0°C but water freezes at 0°C what is the difference between melting and freezing in terms of energy involved with phase changes and be particles of substances during the phase changes?

Why do the upper levels of Neptune's atmosphere appear blue?

An athlete has a mass of 62 kg and a volume of 65 liters. What is the density is kg/l?