Would the smell of perfume make it across the room faster if it were colder or hotter in the room ?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

2. which is the last step in the scientific method?