Nitrifying bacteria participate in the nitrogen cycle mainly by _____.

The ______ is responsible for landing and scheduling events for a facility.

The concept of ______ is probably the best single measure of an industrys impact.

While staged at the scene of a structure fire, the emt should _________.

_____ constitute the regular expenses a firm incurs in its daily operations.

When extending the knee, the hamstrings act as the ___________ muscle.

You can use a _____ to test tread wear on your tires.

The principal benefit of speed loading is to increase __________.