Several scientists from different countries are asked to examine the results of an experiment before a journal will print it.
which term best describes this step of the investigative process?
question
communication of results
peer review
experiment control

When several scientists from different countries are asked to examine the results of an experiment before a journal will get printed, this step can be termed as peer review.

The peer review can be defined as the process of evaluation of experimental work by one or more people of similar competence to the producers of the work called as peers.

Peer review constitutes a form of self-regulation by qualified members of a profession within  a specific relevant field.

altitude, density, pressure

air gets less dense the higher the altitude and also the air pressure is less as altitude rises.

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 : )