The chemical symbol for iron is Fe.
What is the primary function of the cell membrane?
What type of lens converges light rays to a single point?
What is the law of reflection for light?
What is the term for the alignment of three celestial bodies, such as the Sun, Moon, and Earth, in a straight line?
Which of the following is a strong base?
What is the SI unit of electric potential difference?
What is the SI unit of power?
What is the primary function of the ozone layer in the Earth's atmosphere?
Which element is essential for organic compounds but is not found in inorganic compounds?
What is the chemical formula for glucose?