Would Jimmy Vee be eligible to compete in the Paralympic Games?
Jimmy Vee is a dwarf. Dwarfism is defined as someone who is medically short-statured. Short stature due to a bone deficiency is one of the categories for paralympic athletes.
The answer is yes.

Does Mercury help detect coronavirus?
Mercury is used in thermometers. Thermometers are used in taking body temperature. High temperature or fever is one symptom of coronavirus.
The answer is yes.

Did Christopher Columbus break the fifth commandment in Christianity?
The fifth commandment states that Thou Shalt Not Kill. Christopher Columbus ordered a brutal crackdown in which many natives were killed, and then paraded their dismembered bodies through the streets.
The answer is yes.

Is it difficult to conduct astrophotography in the summer in Sweden?
Astrophotography is used to photograph the night sky. Swedish summers have short nights.
The answer is yes.