The answer is "all species at risk of dying out".
The Endangered Species Act was created in 1973 to protect all endangered species in the United States, meaning species whose situation, including rapid habitat loss and low population, puts them in danger of going extinct.
Answer:
A- phosphate group
B- 5-carbon sugar
C- nitrogenous base (adenine is a purine, just in case)
D- nitrogenous base (uracil is only found in RNA)
E- 5-Carbon sugar
F- phosphate group
Explanation:
The symbol on a regulatory marker
that indicates hazards such as rocks or stumps is an Orange Diamond. Regulatory
markers are types of non-lateral markers such as white and orange markings that
are used as navigation aids that give directions, warn of dangers and marks
controlled locations. Orange diamond shapes warns of dangers such as rocks,
stumps or construction.