Answer:
Selective breeding of normal sheep with too much wool sheep.
Explanation:
Selective breeding can lead to some sheep overheating from having too much wool if the sheep of having more wool is crossed with normal wool so the offspring is produced with huge amount of wool on their body that keep its body warm in winter season and overheat in summer season. So the sheep shed their hairs in the summer season in order to reduce overheating of the body.
Smallpox- began Africa, spread through trade and human interaction.
Chestnut blight-isn't this a chestnut found in America?
Answer:
both could be correct
Explanation:
It usually depends on how fast or how severe the change is, if its mild or happenes slowly over time they may adapt, if it is extreame or happenes very quickly the species could very well die out.
your answer would be c) iron deficiency
I'm not entirely sure if I'm correct with this, but I'll try...
Adolescence has to do something with mentality, or how the brain works. It occurs from things like family issues, depression, anxiety, substance abuse, (substance: drugs) sexual abuse, violence, things like that. Men are more likely to suffer from it (I think).
Welp, I've thrown in my two cents, sorry if It's incorrect, at least I tried, lol.