If a liquid sample of naphthalene is heated and remains at 218°c until it is completely vaporized, you know that 218°c is the of naphthalene.

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil