A tool a mechanic or plumber might use.
What is a wrench?
Grammy winners of the "best pop duo/group performance" category.
Who are Cynthia Erivo and Ariana Grande?
The trade route that once linked Asia and Europe.
What is the Silk Road?
The owner of this footprint (Hint: not the human).

What is an elephant?
What is 7?
The green clothing article worn by this gentleman.

What is a waistcoat?
Who is Rhianna?
The number of major islands that make up Hawaii.
What is eight?
The element responsible for the orangey color of beaver teeth.
What is iron?
What a Geiger counter measures.
What is radiation?
A flat, crisp, biscuit.
What is a wafer?
Sabrina Carpenter's character on "Girl Meets World".
Who is Maya Hart?
The country in Asia that experiences the most earthquakes annually.
What is Japan?
The domestic animal that can't look directly upwards to the sky.
What is the pig?
A rock that floats.
What is pumice?
The only country that can fit in this category (in english).
What is Wales?
The car Prince sings about in 1983.
What is a Little Red Corvette?
The most populous country in Africa.
What is Nigeria?
What are blue, yellow and grey?
When a solid converts to a gas.
What is sublimation?
This tree.

What is wysteria?
This person.
Who is Selena Gomez?
The only two landlocked countries in South America.

What are Bolivia and Paraguay?
This animal.

What is a sunfish?
The Father of Calculus.