S-- 1 All cultures have their own special m
--- about
heroes and events from the past. We i - -
these stories from our parents and grandparents.
2 Terrified, Jason o
- a strange white light
floating in the house and concluded that it was the
of the old man who had died there many
years ago.
Professor Brane, your t.
explaining how the
ancient city was destroyed is very interesting, but how can
you p
it?
Adam heard a very strange noise late last night and went
outside to i -
He says he saw
a silver spaceship and an a
with red eyes in
his garden!

she swerves to avoid the turtle.

the objective should be switched

the correct answer is option d. none of these. it is noted that options a, b, and c share the same content.

despite the valid answer provided at the last sentence of each of the options, a question/answer format shouldn't include humourous themed responses such as "you bet your thermal pj's we do." - unless of course, the answer is carried out in an informal environment. this could be replaced with a simple "yes" or "it is necessary".

the question should be re-phrased to a more appropiate syntaxis. instead of "do we need the greenhouse effect? ", it should be written as "is the greenhouse effect necessary? " in order to give it a general scope, instead of limiting the answer to the needs of "we" the humans.