Answer:
D
Explanation:
Cells are the smallest unit of organizaiton, followed by tissues, organs, organ systems, and then organisms themselves.
Answer:
D. Graphing the force as a function of distance and calculating the area under the curve.
Explanation:
Answer:
A. Chemical change
Explanation:
When vinegar and baking soda are first mixed together, hydrogen ions in the vinegar react with the sodium and bicarbonate ions in the baking soda. The result of this initial reaction is two new chemicals: carbonic acid and sodium acetate.
Answer:
positive ion
Explanation:
due to the fact it loses electrons there is 2 more protons than electrons