2. It is easier to drag a mat when nobody is sitting on it, and difficult when a person is sitting on it. Give
reason.

What occurs during a combustion reaction

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

How to calculate voltage drop in a series circuit