200 million year to 550 million years old
Answer B sounds reasonable
The protease enzyme pepsin is found in the stomach and has a highly acidic PH of just 2, so the line would be at PH 2, so lower down than amylase which has a PH 7 :)
Hyperkeratosis is amy lesion with overgrowth and thickening of the skin, such as warts, calluses, and corns.
Hello :)
I believe its during the 2nd trimester
Hope this helps :)
