Which of the following best explains why ptyalin is able to break down starches, but not protein? a) proteins are too large to he affected by enzymes.
b) proteins are able to easily denature enzymes.
c) enzymes are proteins and cannot break down other proteins
d) enzymes are specific to their substrates

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation: