Answer:
Camels were used as domestic animals because Camels have long been domesticated and, as livestock, they provide food (milk and meat) and textiles (fiber and felt from hair).
Explanation/Answer:
Among Russia's most important environmental problems: Water pollution is the most serious concern. Less than half of Russia's population has access to safe drinking water. ... Air quality is almost as poor as water quality, with over 200 cities often exceeding Russian pollution limits, and is likely to worsen.
It’s B, they sometimes do follow the borders of countries
Answer:
Because rocks in eastern North America are generally "older and colder" than those in the West: all else being equal, an M 7 earthquake that strikes on the east coast of the US would produce shaking that would be felt (C) over a greater area than a similar quake that occurred in the western US.
Explanation:
because the rocks are older they may not have the strength to withstand the vibration of the quake so it can be felt over a greater area.
An earthquake is simply the shaking of the earth surface that is being resulted from a sudden release of energy, in the lithosphere of the Earth and it then creates a seismic waves.
Earthquakes are generally caused when the rock underground suddenly breaks along a crack.