Match the term in column 1 to the definition in column 2. Migration rate
?
Number of births per
1,000 people per year
Birthrate
?
Average number of
children women have in a
lifetime
Growth rate
?
Subtract number of
emigrants from number of
immigrants per 1,000
people
Fertility rate
Subtract total number of
deaths and emigrants
from total number of
births and immigrants per
1,000 people

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?

Where does the availability of water pose the greatest problem