6. who argued that because food production and population grow at different rates, it is only a matter of time before there are too many people for the amount of food produced?
a.
auguste comte
b.
karl barth
c.
thomas malthus
d.
niels bohr

7. the united nations began to fund family planning programs when?
a.
1920s
b.
1940s
c.
1960s
d.
1990s

8. the world’s population is expected to drop over the next fifty years.
a.
true
b.
false

9. what sees the natural world as existing to serve us, by providing us with food, water, and materials?
a.
eco-terrorism
b.
the cornucopia view of nature
c.
the green revolution
d.
malthusian theory

10. at the turn of the twenty-first century, there were almost 400 cities in the world that had over one million citizens.
a.
true
b.
false

class- current affairs

C

Explanation:

Malthusian Theory of Population in the 18th century European, proposed a theory of exponential population growth and arithmetic food supply growth.

this website is for anybody really not just for girls just saying, also while a lot of males are mean and you know there are the few who are kind and then there's the nice-guys but then theirs also guys like me who are shy we don't get out much because there are people like you who exist who would most likely punch a guy in the face so next time just think about things before you post them to a website where guys and girls can see your question.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.