layers of dust that settle on the surface of the ground
SEDIMENT
underground tunnel built to lead water to the village
QANAT
what do we call this type of rocks?
porous rocks
Dead animals and plants.
organic matter
oil and natural gas are:
fossil fuels
9 multiplied by seven equal to?
63
the process of removing salt from seawater
desalination
this is the fossil of
turtle
what freshwater means?
water with no salt
could be found in rivers,lakes,ponds,...
freshwater
fossil fuels can be found only undrerground. TRUE OR FALSE
False, we can find fossil fuels under ocean
fossil fuels are renewable or non-renewable resources?
non-renewable
what place is it?
It is a museum
what is this?
water pollution
Dinosaurs were on earth before 100 years. TRUE OR FALSE
FALSE,BEFORE MILLION OF YEARS
It will take 5 years for oil to be formed underground. TRUE OR FALSE
FALSE, it will take million of years
