Answer:
Metal is a good conductor of heat but air is a poor conductor of heat.
Explanation:
Touching the metal sides of the oven can be harmful while holding our hand briefly in the oven air is okay. This tells us about the relative conductivities of metal and air <em>that metal is a good conductor of heat but air is a poor conductor of heat</em>. Conduction is the transference of heat through physical contact. Not all materials conduct heat in the same way. The best conductors of heat are metals and stone.
Answer:
The Portuguese goal of finding a sea route to Asia was finally achieved in a ground-breaking voyage commanded by Vasco da Gama, who reached Calicut in western India in 1498, becoming the first European to reach India. ... Portugal's purpose in the Indian Ocean was to ensure the monopoly of the spice trade.
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Portuguese