[Solved] The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. Find the number. A) 53 B) 42 C) 35 D) 24 Microscope: An instrument used to view objects that are too small to be seen by the naked eye. Scalpel: A small and sharp instrument used in surgery and anatomy dissections for making precise cuts and incisions. Salt Solution: A homogeneous mixture of salt dissolved in water, often used in various scientific experiments and medical treatments. Preservative: A substance used to preserve food, wood, or other materials against decay or deterioration.