The regions that are exhibiting high percentage of workers in the primary economic sectors are the less developed countries, or as they are more often referred to, the ''Third World Countries''.
These regions are in general located in sub-Saharan Africa, South Asia, and Central America. The economies of these regions in general are in a bad state, and usually are based on agriculture, thus the majority of the people work in the agriculture sector, which is the most important and most dominant economic activity in the primary economic sector.
Unfortunately, most of these regions have their economies based around one or two agricultural products, so every little negative fluctuation on the market is a big economic blow for them.
Usually, the rock is moving along large cracks in Earth's crust called faults. Most earthquakes happen at or near the boundaries between Earth's tectonic plates because that's where there is usually a large concentration of faults. ... Movement along those faults can cause earthquakes too. Also, Earthquakes happen when rock below the Earth's surface move. Causing the Earth's surface to crack the closer you are to the plate boundaries the more pressure you get do too more force which is an earthquake.
Answer:a word or phrase used to describe a thing or to express a concept, especially in a particular kind of language or branch of study.
Explanation:is so easy
B.) Gully erosion is what it would turn into.
The correct answer for the question that is being presented above is this one: "oxygen became available from cyanobacteria." About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria.