I believe it's the last one "<span>Scientists studied the trapping of gases in the atmosphere."</span>
Answer:
they made a way for they people and everyone they know and people they don't know
The DENOTATIVE meaning of a word is the definition found in the dictionary.
The CONNOTATIVE meaning of a word is a figurative meaning that differs from the word's literal meaning.
Answer:
the answers should be Prevent, Obstructing, and Refusing