Answer:
read a lot and understand what you read
do practicals
1) Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. ... (3) Rates of chemical reactions are influenced by temperature and catalysts.
Answer:
Sound waves transfer energy by the motion of particles
Explanation: guessing lol
Answer:
part 1 is from the article
Explanation: