1)
Why does the Torah insert the word " ba?Karachs O ba?Gabachas "?
1.
Sifra: To teach us a. that Karachas and Gabachas do not combine to make up the Shi'ur ki'Geris, and b. that Pisyon does not apply if the Nega spreads from one to the other 1
1
See Torah Temimah, note 126.
2)
Why does the Torah insert the (otherwise superfluous) words "Tzara'as Porachas Hi"?