On a topographic map, what is used to show elevation?

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?

Describe the properties of sodium, chlorine, and sodium chloride

Asap at one point in history people could measure temperature by looking at the volume of a sample of gas. suppose a sample in a gas thermometer has a volume of 135ml at 11.0°c. indicate what temperature would correspond to each of the following volumes: 113 ml, and 155 ml.