Answer:
Biosphere -- the global ecosystem composed of biotic (living) factors and the abiotic (non-living) factors from which they derive energy and nutrients. AKA the ecosphere, is the worldwide sum of all ecosystems (all life on earth)
Hydrosphere -- the combined mass/volume of water located either on, under, and above the surface of a planet, minor planet, or natural satellite. This water is still counted regardless of its state (ie. liquid...gas...solid) and takes form as what we see as Rivers, Lakes etc
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They trade because all countries may not have enough supplies/ resources, so they trade in order to obtain them
Oman is a country. i believe. just google it.
Answer:
Volcanic Eruption
Explanation:
Volcanic Eruption Events in which molten rock spews out from the mantle to the surface of Earth as ash, lava, and gases; major geological events that occur when a dense plate subducts below a less dense plate. Divergent Boundary Occurs when two tectonic plates move away from each other.
Answer:
Spain
Spanish minister Do Luis de Onis and U.S. Secretary of State John Quincy Adams sign the Florida Purchase Treaty, in which Spain agrees to cede the remainder of its old province of Florida to the United States. Spanish colonization of the Florida peninsula began at St. Augustine in 1565.
Explanation: