Answer:
To provide electrical interlocking
Explanation:
Electrical interlocking involves interconnecting the motor circuit in a manner that the second motor will not start until the first one begins, same goes for the third motor which would not run unless the second one runs and it continues in that sequence.
Answer:
The answer is B
Explanation: Greenhouse gases must be able to change their vibrational state in order to absorb infrared radiation or heat. SO therefore helium is not one of them.
Hope this helps:)
I’m assuming the correct answer is BLUE
Which type needs the highest temperature to grow in?
Do all of the types make food the same way?
How long does it take for a specific type to make its seeds?
The other questions are all personal opinion