Different soil regions influenced human activities because of the fertility of the soil. The more fertile the soil the more agriculture and more agricultural means more food.
Answer: Both of them involve conduction, because the balloon is attached to the beaker and hot air balloon basket.
Explanation: They really have survival depending on heat. They need it to work.
The tropical cyclones have a thermal origin, and they develop over tropical seas during late summers (August to mid-November). At these locations, the strong local convectional currents acquire a whirling motion because of the Coriolis force.
D. Islands used for agriculture