Hey there!
Your answer is D. salt water
A mixture has more than one substance.
Salt water is made up of multiple different substances, salt (NaCl) and water (H₂O).
Carbon dioxide (CO₂), water vapor (H₂O), and oxygen gas (O₂) are each just one substance.
Hope this helps!
Answer:
Because it went through a chemical change which changes its atomic form
Answer:
Electrons
Explanation:
Because the nucleas is In the middle and the Electrons surround it
