Answer:
Mountains and bodies of water
Explanation:
Mountains and bodies of water protected empires as it was the mountains that served as a barrier that protected ancient China and was used as an invasion route by the Aryans into ancient India also water bodies provided agricultural facilities which helped in allowing the empires become more successful.
Answer:
it would most likely be 2, 4, and 5
The real reason for maintaining armies is the same reason why some men buy expensive sports cars... overcompensating.
Seriously, think of armies as insurance. Even if it's small, amateurish, and under-funded, it's likely to give potential bullies a little pause. (Of course, a big country like Iraq can sweep up a little country like Kuwait in no time flat, as we all know).
Part of the answer is social/ economic/ political inertia. The military is part of the playground for the elite and privileged. (I use the word playground as in "fork over your lunch money, weakling.") Who wants to get rid of their army just to balance the budget? I sure haven´t seen "fire soldier-boys" on any IMF or World Bank wish lists
A lot of countries, fragile democracies, say, find armies to be an effective tool to use on internal "problems." In a pinch, a loyal military can keep your nation away from chaos. On the other hand, they work equally well to keep dictators in power.
<span>Many countries do get a lot more mileage out of their armies than Iceland or Costa Rica could possibly get. Obviously, a lot of African countries find them pretty handy.
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Also, keep this quote in mind
<span>"It takes two countries to maintain peace and only one to make war"</span>
One of the most important sources of energy is the sun. The energy of the sun is the original source of most of the energy found on earth. We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar (photovoltaic) cells
1) Renewable energy
energy from a source that is not depleted when used, such as wind or solar power
2) non renewable energy
A non-renewable resource is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption

Answer: perception of emotion.
Perception of emotion <span>refers to the ability of recognizing and identifying
</span>emotions <span>in other people. </span>Emotions can be perceived through visual, auditory, olfactory, auditory sensory processes. They are usually viewed as having three components: a subjective experience (of the person having the perception), physical changes on the person and cognitive appraisal.