DC refers to the flow of electric charge in one direction.
What is the primary function of the ozone layer in the Earth's atmosphere?
Which of the following is an example of a double displacement reaction?
In which medium does sound travel fastest?
What is the name of the theory that explains the origin of the universe, suggesting an initial singularity followed by rapid expansion?
What is the chemical formula for glucose?
What is the name of the spacecraft that successfully landed the rover "Perseverance" on Mars in 2021?
In a chemical reaction, what is the term for substances on the left side of the arrow?
What is the chemical formula for hydrogen sulfide?
What is the term for the process by which a star exhausts its nuclear fuel, expands, and then contracts, expelling its outer layers into space?
Which of the following is a vector quantity?