Identify the environmental factor that caused the change in gene expression in the previous question. * a. Genetic Disorder
b. The type protein digested by the organism
c. The Ozone Layer
d. Temperature/seasonal change

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

he would use the colour black