Answer: Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air. A hot air balloon uses a burner to heat up the air inside the balloon.
Answer:
The good option here is: d.
Explanation:
Answer:
Magna Carta's first purpose was to establish peace between King and barons. Given the state of England's roads, summer was the only time of year for military operations. Magna Carta, agreed in mid-June 1215, effectively prevented the outbreak of full-scale warfare.
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Answer:
The comparison between Portuguese and Dutch trade in Asia is done below
Explanation:
Dutch
- Monopoly of spice trade
- possessed trading post empires
- Later practiced colonial form of domination instead of trading post empires
- Attention geared towards Indonesia
- Attempt to control the shipping business
Portuguese
- Unrest in trade due to less value placed on European trade goods
- Raiding of ships and getting away it in order to circumvent monopolistic behaviors
- The Muslims who were monopolistic in spice trade thru setting up of post empires and seizing it force.
