6. Which of the following is NOT TRUE about radiation? A. Radiation may be ionizing or non-ionizing
B. Radiation is energy that comes from a source and travels through space
C. Exposure to radiation is not harmful
D. Radiation exist all around us​

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

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