It would be option 3, it makes the most sense in the given context :)
"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}
Answer:The invention of the printing press. D. The invention of the combustible locomotive engine.
Explanation:
Explanation:
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
for example:: if we have to find the cost of 1oo pen the first we will find the cost of 1 pen and we will multiply it by 1oo to get the cost of 100 pens
.....mark me as brainliest
They usually come before verbs