Rust forms when _____ reacts with chemicals in rocks.
A) Water
B) Oxygen
C) Nitrogen
D) Carbondioxide
Answer:
B) Oxygen
Rust forms when reacts with chemicals in rocks.
Read more: Uncontrolled railroad crossing warning signs include
Rust forms when _____ reacts with chemicals in rocks.
A) Water
B) Oxygen
C) Nitrogen
D) Carbondioxide
Answer:
B) Oxygen
Rust forms when reacts with chemicals in rocks.
Read more: Uncontrolled railroad crossing warning signs include
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