They need to lose weight in the basket (throw off items), and also make the flame more powerful, too make the balloon rise.
They use it as a defense because if they are being hunted by a predator, they will use a certain light pattern to alert any larger predators to get whatever is hunting them.
Comedy routines that are mildly amusing in an uncrowded room seem funnier in a densely packed room is an example of social facilitation.
Social facilitation is a social psychological phenomenon that refers to the tendency for people to perform better on simple tasks when they are in the presence of other people.
The phenomenon was first identified by Norman Triplett in 1898, who found that cyclists rode faster when racing in the presence of others.
There are a number of explanations for social facilitation. One theory is that the presence of others serves as a source of motivation, leading people to try harder to succeed. Another explanation is that the presence of others provides a level of distraction that helps people focus on the task at hand.
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weather conditions, social pressure, economic mismanagement, and radical agricultural changes
An exchange rate is how much of your country's currency buys another foreign currency. For some countries, exchange rates constantly change, while others use a fixed exchange rate. The economic and social outlook of a country will influence its currency exchange rate compared to other countries. Hope this helps