The correct answer is c.
Contraction means becoming smaller and expansion means becoming larger. Businesses change depending on the state of a company. If a recession occurs, the business will contract and become smaller to save money. If the economy experiences growth, on the other hand, businesses will expand to maximize their profit.
Answer:
Plasma B cells produce antibodies.
Explanation:
They can produce 1000s of antibodies every second.
hope it helps!
C) balance
Explanation: ruler shows length and the other 2 are used for liquids
The answer is wind and water