Answer:
Limewater can be used to detect carbon dioxide. If carbon dioxide is bubbled through limewater then it turns from clear to cloudy/milky in colour. This is why limewater used in a simple respirometer can show that more carbon dioxide is present in exhaled air compared to inhaled air.
Explanation:
Answer: B, Companies passed on production and transportation costs to consumers
Explanation:
Answer: Gamma rays, x-rays, ultraviolet rays, visible light, and infrared rays.