The production of an item will help you figure out the profit of your item and how much you will receive for it. The consumption of a item is the consumption of goods and materials are used in a certain time period.
Answer:
Isn't she going to invite Dan to the party?
At the moment we're studying French literature
Look the train's coming!
The Earth goes around the Sun
I think the last one is "Do you know my teacher?" I'm not too sure
Explanation:
A comma splice or comma fault is the use of a comma to join two independent clauses.
For example: It is nearly half past five, we cannot reach town before dark.
The comma splice is sometimes used in literary writing to convey a particular mood of informality.
Another example: The sun is high, put on some sunblock.