C. <span>Evaporating and condensing. When the liquid becomes gas is called evaporation. When gas become liquid it's condensation. </span>
Answer:
Gases can be compressed easily because there is a large amount of space between the individual molecules, which are very active and move around at high speed.
Explanation:
When gas is compressed, the particles are forced much closer together, allowing a huge amount of particles to fit in a small space.
Oil is less dense than water, so the difference would be its density. Water is a good solvent, which means It can dissolve other substances.
Answer : Option 1) nuclei of 
and nuclei of 
only.
Explanation : Radiation is spontaneously emitted from nuclei of 
because this isotope of hydrogen is highly radioactive as compared to other isotopes of hydrogen namely; nuclei of and nuclei of .
They have much stable nucleus as compared to nuclei of .
The more it is unstable the more radiations will be emitted from its nucleus.
Answer:
Any situation that has a path that stops at the same position that it started from has a displacement of zero.
Explanation:
