Their beaks will mutate to be stronger in order to be able to crack the hard nuts throughout each generation
Answer:
Colonists tended to settle near rivers because of the rich soil it had. Also the rivers helped export any extra crops to cities and they would sell them.
Answer: Internal causes and global causes
Explanation:
Pessimistic explanatory-styled person is the one who explains to himself/herself that the bad or negative events taking place in their life is caused due to their own-self.He/she believes that these events will tend to happen in stable manner throughout the life.
Internal causes and global causes are responsible for the person to believe about situations in such manner.As the person believes he/she is the root of the bad event indicates about internal cause .Affect and occurrence of bad situation will happen in their whole life is the global cause.
I would say who because it is calling for them in the context of who because they were just mentioned.
Answer: MOSTLY volcanic eruptions