The national conservation committee

provided two million jobs planting trees, building dams and irrigation systems, and established soil conservation and wildlife protection programs

conducted the first scientific study of the country's water, forest, soil, and mineral resources

set aside 150 million acres of public land as national forest reserves

set federal air pollution guidelines and extended federal enforcement power

they have different colored collars

performances and sculptures

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.

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