The left hand column contains the first part of a sentence. Match each with the correct ending from the left hand column.

 Finish the Phrase...

 Without the process of photosynthesis

One acre of growing Christmas trees

Like all plants, growing Christmas trees remove

Before Christmas trees can be harvested, they

On a well managed Christmas tree farm, at all times

A broad network of roots holds

will grow on a farm for 8 - 12 years.

the soil and protects against water erosion.

life could not exist on earth.

provides enough oxygen for 18 people for one year.

carbon dioxide from the air and produce oxygen.

90% of the land is occupied by vigorously growing tree crops.

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