Which gas is commonly used in the food industry for carbonation of beverages?

Which layer of the Earth's atmosphere experiences the highest temperatures, even though it is farthest from the Earth's surface?

What is the chemical symbol for copper?

What is the name of the phenomenon where light is bent as it passes through the gravitational field of a massive object, such as a galaxy or cluster of galaxies?

What is the name of the spacecraft that successfully landed the rover "Zhurong" on Mars, making China the second country to land and operate a rover on the Red Planet?

Which of the following is an example of a redox reaction?

What is the chemical formula for methane?

What is the process of converting a gas to a liquid called?

What type of celestial object is a rapidly rotating neutron star that emits beams of radiation, observed as periodic pulses?

What is the term for a cluster of stars bound together by gravity, with a spherical or irregular shape?