Satellite imaging allows scientists to observe . a.
where deforestation has removed the trees
b.
where deforestation has occurred but is recovering
c.
where deforestation has not occurred
d.
all of the above

the answer is D. all of the above

Explanation:

i got 100% on my quiz :)

maybe because its impossible for balloons to lift a whole entire house.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.