Answer:
Neutron-capture inside stars.
Explanation: Although there are other minor contributions they are not only produced in stars that explode in supernova.
Answer:
A and B reeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
A. to convert light to electrical impulses!!!! I hope this helps!!! :)
Transverse waves contain crests & troughs
while longitudinal waves contains compressions &rarefactions.