Asubstance whose shape can easily change is a
a. solid.
b. powder.
c. fluid.
d. metal.

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

If a particle has z = 25 and 23 electrons, what is its charge?