The amount of time it takes for a two consecutive wave crests to pass a given point is the fetch crest trough wave period

Modern weaponry has increased the number of deaths in wars and violent conflicts.

In general metals get as you move from left to right across the periodic table.

Which can be observed only in a microscopic view? a) structure of a muscle cell b) shape of a soybean plant c) foam insulation d) x-ray of a knee joint