3 What is compression?
А
When alr molecules move apart from one another.
B
When alr molecules collide with one another.
C
When alr molecules become packed tightly together.
D
When alr molecules move around freely.

The boiling point of liquids is very high what does it indicate

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What is the percent by mass of oxygen in fe2o3