science

What does DNA stand for?

• Oxyribonucleic acid

• Deoxyribonucleic acid

• Amino acid

How many bones are in the human body?

• 206

• 602

• 260

The concept of gravity was discovered by which famous physicist?

• Sir Isaac Newton

• Max Planck

• Albert Einstein

What is the hardest natural substance on Earth?

• 
• 
• 

Answer explanation

1st img is diamond

2nd one is cupper

3rd is Na

What is the study of mushrooms called?

• Morphology

• Bactriology

• Mycology

What is the most abundant gas in the Earth's atmosphere?

• Nitrogen

• Oxygen

• Helium