Describe the relationship between an element’s average atomic mass units (amu).

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?

What two categories of toxins were present in the air at dish, texas as a result of the gas pipelines that pass through the area

Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have