Universal
affecting or relating to anyone in the world or to all cases of a kind
voluntary
done by choice
acquire
to gain or obtain something
ancestor
a person whom one is descended
cuisine
a style of cooking associated with a particular country or region
voyager
a person who travels to distant places
famine
an extreme shortage of food affecting a large number of people
durable
able to last a long time without being damaged or worn out.
microscopic living organism; sme can cause disease
humus
decayed plant and animal matter in soil.
Loam
a fertile soil of clay and sand containing humus
biotic
relating to or resulting from living organism
abiotic
relating to non living factors
dispose
get rid of by throwing away, giving or selling to someone else
continent
any of the world's main continuous expansions of land
hypothesis
an educated guess or a testable prediction that can be investigated.
hazard
a potential source if danger
overgrazing
excessive grazing, which causes damage to grassland