Answer:
There are a lot of similarities and differences between natural gas and propane. Both are odourless, colourless, and clean-burning fossil fuels. Propane is more energy-efficient and considered to be a green fuel, while natural gas is not.
Explanation:
Answer: D. Read the Nutrition Facts label and determine whether the supplement contains nutrients your body needs
Explanation:
Their heart rates would be increased because of physical activity?