In assessing whether fluoridated water can cause
cancer, what do the national research council,
national health service, and centers for disease
control and prevention all agree on?
osteosarcoma is so rare that there is little
need to study the risk of fluoride.
fluoride should not be added to water
according to research from dentists.
there is a need for further research.
done

What are atoms of the same element with varying number of neutrons

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

In what direction does an applied force move an object