To solve average speed? You can either make a quad or take your total distance and divide it by your total time/ and that would give you your total average speed! Your average speed would be Mp/H<span />
Answer 1 hope I have helped you
Answer:
correct answer is d)
Explanation:
This answer demonstrates law of conservation of mass because the mass of the products is equal to the mass of reactants with the help of the coefficients which is the process known as balancing. This answer also includes the correct formulas, as Br is a gas so it MUST be written as Br2. hope this helps:)
This is a physical change, you can turn the current off not changing something permanently such as mixing cake batter you cant delude the eggs and flour so its would be physical.