Answer:
An open circuit is one where the continuity has been broken by an interruption in the path for current to flow. A closed circuit is one that is complete, with good continuity throughout.
Explanation:
For instance, a simple light switch opens and closes the circuit that connects a light to a power source. When you build a circuit, it's a good idea to disconnect the battery or other power source when the circuit is not in use.
1. B
2. D
Reason for 1: to make a wind turbine go it requires A LOT of energy and u are very high up which causes high risk
2: not much to explain due to all the questions being correct.
I think its C) Released by the Geo-sphere because volcanos give off the same exact gases and have been around long enough to give off enough gas to create an atmosphere.
