How many substances are in the test tube with the water and table salt? How many substances appear to be present?

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

i would say b

explanation:

but i think i would need more information than that

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

answerspecific gravity;