Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Opaque is the term for matter that does not let any light pass through.
What is the term for matter that does not let any light pass through?

Deletions remove one or more nucleotides from the dna
Deletions remove one or more what from the dna?

Altitude and latitude map coordinates correspond to similar climate zones and life zones.
What map coordinates correspond to similar climate zones and life zones?