Answer:
Overlooked/Not observed
Explanation:
It means no one has done studies to see what the population growth was
I think that the best answer from the options is the following one:
B. lightly regulated markets depressing wages for unskilled workers
The thing is, unskilled workers cannot really pose many demands for their pay, because they can be replaced by other workers. This is what has led to low wages of the unskilled workers, while increasing the wealth of the richest, who own the production means.
The correct answer is - d. shield volcanoes.
The Hawaiian volcanoes are volcanoes that fall into the category of the shield volcanoes. They are slightly dome shaped volcanoes, spread out over a very large area, are not steep, and are volcanoes that tend to not have explosive eruptions as their magma is usually high in silica content.
The volcanoes on Hawaii are volcanoes that have formed over a hot spot, which means that they are not formed at the boundary of the tectonic plates, but instead, they are formed in the middle of the plate.
Mauna Loa and Mauna Kea are actually the biggest volcanoes in the world in the present day.
The air mass remains stable at roughly the same temperature and humidity,taking on all characteristics.They are only moved when high level winds take place
A spit is a type beach erosion called Longshore drift, a bar is formed by deposition of material by streams or currents