A wood block has edge lengths of 4.00 cm each and a mass of 54.5 g. What is the density of the block in units of g/cm3?

How have the greenhouse gasses increased from the year 2000 to 2018

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

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above