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91.
Riddles
Chemical formula of water
What is the chemical formula for water?
The chemical formula for water is H2O.
92.
Riddles
Primary gas found in the Earth's atmosphere riddle
What is the primary gas found in the Earth's atmosphere?
The primary gas found in the Earth's atmosphere is nitrogen.
93.
Riddles
Chemical formula for hydrogen peroxide riddle
What is the chemical formula for hydrogen peroxide?
The chemical formula for hydrogen peroxide is H2O2.
94.
Riddles
organism changes over time to better survive in environment riddle
What is the process by which an organism changes over time to better survive in its environment?
evolution.
95.
Riddles
Chemical symbol for sodium
What is the chemical symbol for sodium?
Na
96.
Riddles
Chemical symbol for potassium riddle
What is the chemical symbol for potassium?
K
97.
Riddles
Hold for no longer than a few seconds riddle
What can you hold for no longer than a few seconds?
Your breath
98.
Riddles
SI unit of electric charge riddle
What is the SI unit of electric charge?
Coulomb.
99.
Riddles
Main function of white blood cells riddle
What is the main function of white blood cells in the body?
Fighting infections.
100.
Riddles
Unit of measurement for electric current
What is the unit of measurement for electric current?
The unit of measurement for electric current is the ampere (A).
101.
Riddles
I ensure that blood flows throughout your body riddle
Beating without stopping, I ensure that blood flows throughout your body.
The heart