Answer: c. Gizzard
Explanation:
The Gizzard or ventriculus is the part of the digestive system of the aves, which acts as a mechanical stomach. It is composed of two sets of muscles that act as a avian teeth. It also posses the thick lining that protects those muscles. The gizzard facilitates the mechanical break down of the food as may be caused by the teeth.
The first snowfall of winter sticks better to tree branches
than to the ground because of radiation in which the ground holds because of
the heat that it has compared to the tree branches that are not consumed by the
heat which makes the snow sticks to it better. Whereas the ground makes the
snow to not stick easily.
