What is the chemical formula for hydrochloric acid?

What is the chemical formula for methane?

Which of the following is a diatomic molecule?

What is the chemical formula for sodium hydroxide?

What is the acceleration due to gravity on the surface of the Earth?

Which of the following is a greenhouse gas?

What is the term for the point in a planet's orbit where it is closest to the Sun?

What type of rock is formed from the cooling and solidification of molten magma?

What type of boundary is characterized by the sliding or rubbing motion between two tectonic plates?

What law describes the relationship between the pressure and volume of a gas at constant temperature?