Biology

Audrina James

19 February, 14:15

Write one letter in each blank to match each set of product requirements.

1. The material

_ should be used to make the pipes in a home because it is strong and

relatively nonreactive.

2. The tip of a match contains a compound called red phosphorus, which bums easily in air. During the

production of matches, the red phosphorus needs to be stored under

because it is a

nonreactive gas that keeps the red phosphorus from burning.

A. argon

B. copper

C. magnesium