Anybody know this thanks​

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium. b)heavier than helium. c)the same weight as helium. d)dependent on the element that reacted with carbon.

What happens to the glucose molecule during the process of cellular respiration? (5 points) select one: a. it gets broken down. b. it forms oxygen. c. it builds muscles. d. it uses up energy.