Answer: the lower atmosphere and hydrosphere are bound to earth by the force of gravity
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Answer:
Explanation:
companionship or association with one's fellows : friendly or intimate intercourse : company. 2 : a voluntary association of individuals for common ends especially : an organized group working together or periodically meeting because of common interests, beliefs, or profession.
C is not a challenge faced by aid organizations
This is false.
This might be true in the case of solar energy (if there is not enough sun, there won't be a lot of energy that can be obtained from it), but it's less true in the case of for example hydraulic energy - most rivers flow both in good and bad weather (except if the bad weather is drought).
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