Match the pairs

Rewrite the following statements using correct of the options and explain the completed statements.

(gluconic acid, coagulation, amino acid, acetic acid, clostridium, lactobacilli)

a. Process of -- -- -- -- of milk proteins occurs due to lactic acid.

b. Harmful bacteria in like -- -- -- in the intestine are destroyed due to probiotics.

c. Chemically, vinegar is -- -- --.

d. Salts which can be used as supplement of calcium and iron are obtained from ------- acid.

Answer the following.

Which fuels can be obtained by microbial processes? Why is it necessary to increase the use of such fuels?

Answer the following.

How can the oil spills of rivers and oceans be cleaned?

Answer the following.

How can the soil polluted by acid rain be made fertile again?