Questions

The Mesoamerican leader Pakal, The great was the king of a Maya city-state in the history.

The first oil well was dug in 1859. The oil production has since declined but it retains its name for high grade oil

Assessing opportunity cost involves making choices and dealing with consequences.

Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. The force that generates wind is called as Pressure gradient force.

Wavelength of a wave can be measured with the distance between two nearest crest and crest or nearest troughs. It is measured as armstrong units.

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The Bantu were comprised of more than 500 ethnic groups of Africa for migrations. The Bantu were experts in the form of iron metallurgy.