While on vacation, Mr Brown rides a hot air balloon. To make the balloon rise, the pilot turns on a flame to warm the air inside the balloon. Which of these best describe the change in energy that makes the balloon rise

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

What is the mass of 0.46 mil of mgcl2

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?