Many projects fail ______ organizations' inability to administer the widerange of funds available.

• because

• due to

• therefore

• leads to

______ helium rises, a helium balloon floats.

• since

• due to

• resulting

• as a result

Some believe dinosaurs died out ______ a large meteor hit the earth.

• because

• because of

• as a result

• causing

The class was enjoyable although it started a bit late ______ the fun method that the tutor conducted.

• leads to

• because

• caused by

• due to

The confusion was partly ______ the fact that everything was happening so fast and partly because she had never responded to a man that way before.

• because

• because of

• as a result

• since

______ the electricity went out for most of the day, the ice cream in the freezer melted.

• caused be

• due to

• since

• result in

Inflation is considered to be undesirable ______ its adverse effects on income distribution.

• since

• leads to

• because of

• therefore

Those people avoid working on Fridays ______ it’s a tradition.

• due to

• consequently

• causes

• because

Bill Gates could make his billions ______ computers, with the right software, could vastly increase productivity.

• because of

• because

• is the effect of

• therefore

Jim and Della will never be together ______ having different opinion about religions.

• because

• so

• due to

• results from