A. It is counterproductive
B. Vinegar
C. Ammonia
Please give me Brainliest
Answer:
decrease i had the same question in 8th grade u must be in ninth
Explanation:
ohh im not sure but i think its A
Answer:
building and managing their own clients, purchasing supplies and keeping records
hope this helps you
Atomic number = 20 -------> Ca (calcium)
Calcium has four shells (1, 2, 3, 4) and two sublevels ( s, p ).
1s² 2s² 2p⁶ 3s² 3p⁶ 4s²