How is temperature related to the physical change of a substance? The material is made up of both elements and compounds. Elements are made up of a single sort of atom, whereas compounds are made up of many atoms. […]
What is the difference between elastic and inelastic collisions?
What is the difference between elastic and inelastic collisions? The whole kinetic energy has been preserved in elastic collision contrasted to inelastic collision where kinetic energy of the bodies in the beginning and end of collision is distinct. Momentum […]
Which of the following is a polyatomic ion?
Which of the following is a polyatomic ion? A N₂ HCl PO43- S2 Answer= 3. PO43- In terms of the word “poly,” which means “many” or “several,” a polyatomic ion is an ion composed of at least two atoms. […]
An important environmental debate in the United States in 1900 was:
An important environmental debate in the United States in 1900 was: Whether to ban factories in cities. Whether to drill for oil offshore. Whether to use wilderness resources. Whether to use coal. Answer= C. Whether to use wilderness resources Throughout […]
Which of the following is not a wave on the electromagnetic spectrum?
Which of the following is not a wave on the electromagnetic spectrum? Microwave Visible Light Wave Radio Wave Surface Wave Answer = 4.Surface Wave The electromagnetic spectrum covers the wavelength ranges of each electromagnetic radiation or electromagnetic wave. The […]