Question

give my answer please

Answer 1

a) For many generations, people have relied pn dogs.
b)They have been used for hunting and companionship
c) A dog's nose and ears are very sensitive
d)They proved the mankind have been very useful for years. ( There is a jumble mistake i guess)
e)Credit Cards have become a necessity today.
f) They are considered a boon for the shoppers.
g) You dont have to worry about carrying enough cash.
h) Many credit card simply serve as a form of raveling.