Answer: d. The clastic sand that forms these rocks was weathered and eroded from the Sierra Nevada Mountains.
Explanation: Petrified Forest National Park is known for its fossils, especially of fallen trees that lived in the Late Triassic Epoch of the Mesozoic era, about 225 million years ago. During this period, the region that is now the park was near the equator on the southwestern edge of the supercontinent Pangaea, and its climate was humid and sub-tropical
The older (lower) layers of the formation consist of fluvial and lacustrine (lake-related) deposits of silt, sand, and clay. The younger (upper) Bidahochi contains ash and lava from volcanoes that erupted nearby and as far away as southwestern Nevada.
Answer:
The government was formed in 1789, making the United States one of the world's first, if not the first, modern national constitutional republic. It is based on the principle of federalism, where power is shared between the federal government and state governments.
Explanation:
Answer:
They were all on a river, for trade, transportation, and drinking water.
Explanation:
D.
Nomination campaigns are for the party's candidate so all of the candidates for the nomination are probably representing that party.
Candidates for the nomination probably have similar philosophies but some different wants, where general election candidates have almost polar opposite ideals.
Creating broad coalitions of voters is almost a given, "Women for X" or "X will actually help Y people"