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

1:B

2:A

Explanation: because magnesium is relatively reactive and not strong as copper also argon is unractive as it's Noble gas

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation: