A basketball has a volume of 300 cm3. If Michael pumped 200 cm3 and Fandi pumped another 200 cm3 into it then the total volume of air in the basketball is 400 cm3.

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Where should a carbon monoxide detector be mounted?

How do you count the total number of atoms present on one side of a chemical equation?