In paragraph 8 the idiom on dangerous ground means a) at risk. b) on alert. c) very angry. d) in quicksand.

The best option for the idiom is A) at risk.

Explanation:

When we talk of someone being or treading on dangerous ground, we mean that person is at risk. The risk will depend on the situation. They may be at risk of offending someone and making them angry, or of obtaining a bad result for a reckless action, for instance.

- You're treading dangerous ground lying to your father this way.

- She's on dangerous ground after missing the meeting this morning.

i think the life is invaluable.

you can also say immeasurable.

the answer is mary made mudpies on monday.

remember alliteration is the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.