Lightening is a discharge of

magnetic force
static electricity
conduction
insulation

What is a carrier wave and how does it affect what you hear on the radio

What is the measure of a change in an objects velocity?

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