Join the two sentences with who, that or whose
1) William Rees is a professor. He used the term "ecological footprint" in an academic paper.
2) Hans Lippershey was an eyeglass maker. He invented the microscope with two colleagues.
3) Legambiente is an italian association. It was created in 1980.
4) This is a teacher. His son is a famous biologist.
5) Enrico Fermi was an Italian-American physicist. He developed the first nuclear reactor.
6) Carbon dioxide is a natural gas. It's essential for life on Earth.

Question

Answer

I believe it is...
1) William Rees is a professor who used the term "ecological footprint" in an academic paper.
2) Hans Lippershey was an eyeglass maker who invented the microscope with two colleagues.
3) Legambiente is an Italian association that was created in 1980.
4) This is a teacher whose son is a famous biologist.
5) Enrico Fermi was an Italian-American physicist who developed the first nuclear reactor.
6) Carbon dioxide is a natural gas that's essential for life on Earth.

Answer

We're not here to do your homework for you, Maria! Try to do this exercise yourself, and then we'll tell you if you're right or not. Good luck!