1) Fill in the blanks with the words:
DIFFERENT- DIFFERENCE
a) What is the _____________ netweem ozone and oxygen?
b) There are _____________ gases in the atmosphere.
IMPORTANT- IMPORTANCE
a) Technology is _______________ in modern world.
b) We know the _____________ of the greenhouse effect.
INTELLIGENT-INTELLIGENCE
a)This is an ______________ solution for pollution.
b) _____________ makes men different from other animals.
IGNORANT-IGNORANCE
a) She is completely_______________.
b) _______________ eliminates opportunities.