Why are roofs blown off during storms?

Why are polar bodies formed during oogenesis, but not in spermatogenesis?

Transpiration is very low during storms due to

The uterine layer that is sloughed off during menstrual cycle.

In batch fermentation: A) substrates are added to the system all at once and runs until product is harvested. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. C) new batches of microorganisms are screened for increase yield. D) small-scale production is used to synthesise product.

Which layer of the uterus is shed off during menstruation ?

The given figure shows female reproductive system. Which wall of the uterus (A, B or C) sloughs off during menstruction?

The function of flux during smelting of ore is

The function of flux during smelting of ore is