The chemical symbol for mercury is Hg.
What is the term for the alignment of three celestial bodies, such as the Sun, Moon, and Earth, in a straight line?
What is the name of the spacecraft that successfully landed the rover "Perseverance" on Mars in 2021?
Which of the following is an example of a combustion reaction?
Which organelle is responsible for detoxifying harmful substances in a cell?
Which of the following is a type of soil erosion where small, loose particles are lifted by the wind and transported to another location?
What is the chemical symbol for bromine?
What is the primary function of the cell membrane?
Which structure connects the two halves of a neuron, allowing communication between them?
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 product of the reaction between an acid and a base?