How much force is placed on a person's foot if they have a foot with an area of 0.5 m2 and they exert a pressure of 25?

elements

explanation:

yes the other ones are right just show me a pic of ur face cuz u look hot

answer is: c. the experiment shows that the red substance experienced a chemical change.

this is chemical change (chemical reaction), because two new substances are formed (metalig liquid and gas), the atoms are rearranged and the reaction is followed by an energy change.

this is example of chemical decomposition.

chemical decomposition (analysis) is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.  

chemical decomposition is opposite of chemical synthesis.

personal, she chose to do it.

the answer would be b i believe