Answer:
Avoiding stampede- Avoid crowded places where the exit options are not sufficient for the crowd. Use your voice not to scream but in controlling the situation. Use your weight against the force of the crowd. And tell the same to people pushing you.
Number 1 would be True
Number 2 would be True
Number 3 would be False
A dinosaur egg is a fossil. So is petrified wood.
'So' is a conjunction that depicts comparison between subjects in a sentence in this case. The use of 'so' in this sentence is incorrect because when comparing two subjects, which in this case are dinosaur egg and petrified wood, they should be in one sentence idea. When using the punctuation mark period '.' it ends the idea of the sentence in the first sentence given.