every pure substance has a characteristic physical properties that can be used to identify it. The blocks in the toolbar are either silver, tungsten or platinum. use the tools in the simulation to identify the type of metal in each block in the toolbar. you can assume all the blocks are perfect cubes.

All living and non-living things are made of atoms. Atoms are the basic unit of matter. Atoms are made of protons, neutrons, and electrons.

Explanation:

sorry if this is not helpful

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )