What is the heat transfer between objects that touch each other

Conduction

Explanation:it is the heat transfer between to objects

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.