Observe the following images. Which of them shows a chemical change happening? I is rusting car, II is water boiling, III is cooking eggs and IV is melting ice cream

A. I

B. I and III

C. II and

D. I, II, and III

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )