Why is the formation of sand a physical change

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

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