Answer:
Foreign/Exotic species
Explanation:
If you are talking about introduced, think of foreigners but as animals.
Answer:
it is the average period of time a person can expect to live.
Explanation:
Answer:
By looking into data that shows what people eat and how it affects there life.
Explanation:
you can use this data to decide what is best for you and body.
The answer to this question is 80 calories
Id say the third option, white blood cells, called lymphocytes, destroy pathogens and protect against future infections.
hope this helps :-)
