Unfortunately, you haven't shared any data list which would make braunly users able to help you. The only thing I can suggest you is to write the neutralization reactions, this can make you understand the calculations more or less clearly. Please, next time check your attachments carefully.
A. Combustion since it can’t be nuclear….?
Answer:
sweat
Explanation:
you get dehydrated in hot weather because your body will release sweat to try and keep you cool
The population decreases when the birth rate is less than the death rate.