Which of the following balances is affected by the local force of gravity? a. beam balance b. analytical balance c. spring balance

It is the C) Spring Balance

Explanation:

Spring Balance is affected by the local force of gravity, since it is the one that has the most movement, therefore it would be difficult to spring.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%