The number of instars an insect completely depends on the species and the environmental conditions.

The amount leaked completely depends on the severity of the condition.

Most of the people in the past completely depended on the agriculture.

The government depends on them completely to do away with birds they don't want around!

In 1978 he came to depend on her almost completely.

I really enjoyed it, because the twist of the book completely depended on that form.

Depending completely on advertisers would not be healthy even if it were possible.

We will have to depend on each other completely.

He knew the business depended completely on his father's skill and instinct.

As for your second point: that would completely depend upon what work he did in the "field."