D
Larger surface area speeds up reactions
Rust is an oxide so more oxygen should speed up rate of rust
Temperature also speeds up reactions
+ The humidity affects it aswell
The first one is d
second one is a
Proton and neutron because e does not matter much
and the mass of atom as you already know is consist of p and n
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The best example of how electromagnetic energy is used in everyday life is <span>a patient receiving an X-ray in a hospital</span>
Answer:
Periods have consecutive atomic number as they are in a row and groups are vertical meaning they are in a column and groups have similar properties
