Question

Question in the attachment. Answer please
18 and 19

Answer 1

18)1) The three components of blood are Red blood cells , white blood cells and platelets.

2)Lymph

Function: It is involved in transportation of substance where blood cannot reach.

carries digested food to the blood.

19) Soil B should be treated with chalk powder because soil B is acidic .

2)

1)When we overeat HCL production in stomach will be more and mucus cannot withstand that much acid so we have a burning sensation.

2)Since Na2Co3 is a combination of NaOH and CO2 where NaOH is a strong base so it gives a base