Protons, neutrons, and electrons<span> are the three main subatomic particles found in an atom. Protons have a</span>positive<span> (+) </span>charge<span>. An easy way to remember this is to remember that both proton and </span>positive<span> start with the</span>letter<span> "</span>P<span>." Neutrons have no electrical </span>charge<span>.</span>
Answer:
air does not have a modulus of rigidity.
Explanation:
Since air is completely elastic medium, that is, it does not have a modulus of rigidity, therefore sound waves in air are longitudinal.
Answer:Water is easily evaporated, and oil and grease will not evaporate.
Explanation:
Using land according to its capability. protect the soil surface with some form of cover. control runoff before it develops into an erosive force
In a displacement/time graph, the slope of the line is equal to the velocity