Drag and drop each word into the correct location. (2 points)
Fossil fuels take
to form. Coal formation begins in
while oil and natural gas formation begins in
All fossil fuels require heat and
'in order to form.
# millions of years
# oceans
# centuries
# fossils
‡ pressure
:: swamps
Fossil fuels take
# millions of years
to form. Coal formation begins in
:: swamps
while oil and natural gas formation begins in
# oceans
All fossil fuels require heat and
‡ pressure
'in order to form.
# centuries
# fossils