Aradio wave has a frequency of 3.20 × 108 hz. what is the energy (in j) of one photon of this radiation? enter your answer in scientific notation. × 10 j

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Sound is a disturbance that travels through a medium as a