Answer:
A black hole
Explanation:
A black hole is very dark. And it's also an opening.
Yes it does it makes it harder for the heart to maintain a steady pace
Words of Affirmation, Acts of Service, Receiving Gifts, Quality Time, and Physical Touch. I think idk
If there were a fire, explosion, or bomb threats in schools, for example, are required to evacuate but if it's a sniper or shooter then they do a lockdown. Because if the shooter is on the outside and they decide to evacuate then they could get shoot so most schools and places do lockdowns.
So the answer would be a sniper. I hope this helps!
