Many cultures have a long history of discrimination against African Americans.
What is ecology?
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
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Answer:
d. all of the above
Explanation:
The three are cultural symbols of Oklahoma.
The historic Route 66 rans through the middle of the state, including the city of Tulsa, the second-largest in the state.
American Indian heritage is also important in Oklahoma. The entirety of Oklahoma used to be Indian reservation territory, and there are still important Indian reservations there.
Finally, cowboy culture is also remarkable. Oklahoma has been a state with an important livestock sector economy, and cowboys used to be employed en masse in the nineteenth century and early twentieth century.
Answer:
The stars mass (once it becomes a star) is inversely proportional to its lifetime as a main sequence star. A red dwarf can survive for many billions of years; a star that has twice the mass of the Sun, such as Sirius A, will have 25% of the Suns lifetime.
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