Salt water, since it is no longer a pure substance :)
An electron is a negative particle, so the answer is -1
Answer: The student should have worn splash goggles, an apron, and gloves during the investigation.
Explanation:
Answer:
ACTIVITY 1
Sample 1 has a stronger taste of lemon, and is more sour.
Sample 2 has a sweeter taste, my guess is because there's more sugar:lemon juice ratio.