Answer: I would need the examples to help.
Explanation:
If you can give me those I would be happy to help you out with your question!
Its the science of determining the age of rocks and geological events.
Answer:
artificial light was primarily used to make days longer as candles could only burn for so long before going out and usually when it got dark people couldn't continue their activities
Explanation:
I think we should write the sentence u took In the bracket saying page number and sentence number...I don't know specifically.. thanku:)