• Avoid too much heat.
• Avoid chemicals and acids/chemical sprays.
• Avoid molds, take care of sunlight & humidity.
• Take care in transportation.
• Prevent from dirt/dust.
• Handle with care.
• Save from pests, rodents & other biological factors.
Answer:
A secondary source is a source that talks about an event after it happened, or about information originally presented in a primary source. An example of a secondary source would be a textbook or biography. Hope this helps :)
A lake or pond depending on the situation.
I hope you are satisfied with my answer!! Good Luck !!!☻
