Answer:
I think that the statement is relative to speed because it is saying km per second.
A very disgusting type of lemonade
Answer:
A catalyst is a chemical substance that alters the rate of chemical reaction not consumed by the reaction. Hence, a catalyst can be recovered chen unchanged at the ends of chemical reaction. Catalyst can be divided into two typ the basis whether it speeds up or slowdowns the rate of chemical reaction. The positive catalyst and negative catalyst.
Answer:
B. as a food preservative in the manufacture of detergents
.........
