QUESTION: Fix punctuation: That is the external layers of the kidney respond to the sonographic sound waves with a denser echo than the surrounding areas because of the more solid nature of the crystal formation in the renal tissue
ANS: That is, the external layers of the kidney respond to the sonographic sound waves with a denser echo than the surrounding areas because of the more solid nature of the crystal formation in the renal tissue.

QUESTION: Fix punctuation: This makes it difficult to predict effects of pyrethroids on the invertebrate fauna in Danish streams on the basis of chemical analyses
ANS: This makes it difficult to predict effects of pyrethroids on the invertebrate fauna in Danish streams on the basis of chemical analyses.

QUESTION: Fix punctuation: 57 One young bullock one ram one lamb of the first year for a burnt offering
ANS: 57 One young bullock, one ram, one lamb of the first year, for a burnt offering:

QUESTION: Fix punctuation: God and Moses were speaking to each other as if they were two human beings having a close conversation
ANS:
God and Moses were speaking to each other as if they were two human beings having a close conversation.