Most of them are proteins but there are some RNA and\or DNA enzymes or maybe glycopeptides.
Vegetarian is the best choice
Here's a few: magnesium, oxygen, silicon, phosphate, and aluminum are all found in earth's crust in high proportion. oxygen being the highest proportion of any other element.
Answer:
brown in summer, grey in winter -> camouflage from predators
storing fat during the summer -> gives them extra energy in the winter when there is less food
antlers with forward projections -> allows them to dig in the snow to uncover more food sources, also good for fighting predators
widely spaced hooves -> easily walk on snow and to dig for more food
migrate in herds -> find new area for more food & escape extreme weather, predators, and pesky bugs
Explanation:
