What type of energy is present when a car drives across a flat surface

Which element is the least metallic between cadmium, silver, zinc, or iron?

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

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring