The principle of conversion of mass is true
a. only for reactions that take place in open systems
b. only for reactions that take place in closed systems
c. for reactions in both open and closed systems

Type the correct answer in the box. spell all words correctly.what is the correct term for living the most sustainable life you can within your current circumstances? when your are being as sustainable as you can within your current lifestyle, you are said to be sustainability.

Heat is the total potential energy of a substance that can be transferred. true false

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays