What is the chemical process by which iron rusts?

What is the main cause of earthquakes?

What is the unit used to measure atmospheric pressure?

Which common antibiotic was first discovered from a mold by Alexander Fleming?

Which planet is known as the Blue Planet due to its large amount of surface water?

Which astronomical event marks the day with the longest period of daylight in the Northern Hemisphere?

Which stomach enzyme is primarily responsible for breaking down proteins into smaller peptides?

Which type of chemical bond involves the transfer of electrons from one atom to another?

Which common everyday substance is classified as a strong acid frequently used in car batteries?

Which protective membranes cover and protect the brain and spinal cord?

Which part of the plant conducts photosynthesis?