It is relatively easy to spot a gerund, given that it looks like a verb + ing. Having that in mind, the gerund here is drinking from the tap. This gerund acts as the subject of the sentence, which you can easily determine by asking the question What is perfectly safe?, and the answer will be Drinking from the tap - that's how you know it is the subject.
So, the correct answer is drinking from the tap/subject.
You gotta show the passage...
Find out something you both like and start talking about that when she is near you, she might hear you and say she is interested in that same thing.
Answer:
the answer is d.first letter
This number has 5 significant figures, this is obtained by counting all of the numbers, as all of these digits according to the rules for determining significant figures are important and or significant.
