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Calculate the water pressure at the base of the Hoover Dam. The depth of water behind the dam is 220m m .

Express your answer to two significant figures and include the appropriate units

What is one thing the Hoover Dam is used for?

Responses

hydroelectricity

erosion

oil

access to the ocean

What is one thing the Hoover Dam is used for?(1 point)

Responses

hydroelectricity
hydroelectricity

erosion
erosion

oil
oil

access to the ocean

hydroelectricity

What does the climate tend to be in the Southwest?(1 point)

Responses

cold and rainy
cold and rainy

hot and rainy
hot and rainy

cold and dry
cold and dry

hot and dry

hot and dry

Jackrabbits in the Southwest have adapted to grow long ears. These long ears serve what purpose?(1 point)

Responses

To protect their face from the sun
To protect their face from the sun

To lose body heat through their ears
To lose body heat through their ears

To communicate with other rabbits
To communicate with other rabbits

To scare off predators
To scare off predators

To lose body heat through their ears

Which tribe was known to be fierce warriors?(1 point)

Responses

Navajo
Navajo

Ancestral Pueblo
Ancestral Pueblo

Apache
Apache

Hopi

Apache

In a pueblo village, who made dolls of kachinas?(1 point)

Responses

men
men

boys
boys

girls
girls

women
women

men

What was the purpose of the Homestead Act of 1862?(1 point)

Responses

to force Native Americans west of the Mississippi
to force Native Americans west of the Mississippi

to end cattle drives
to end cattle drives

to make Texas a state
to make Texas a state

to bring more settlers to western lands

to bring more settlers to western lands

Why did the United States want more land from the Native Americans?(1 point)

Responses

for meatpacking
for meatpacking

for settlers
for settlers

for cattle
for cattle

for oil
for oil

for settlers

Which city is outside of the Southwest? (1 point)

Responses

Albuquerque
Albuquerque

Phoenix
Phoenix

Atlanta
Atlanta

Houston

Atlanta

In one to two sentences, identify and describe the process by which the Grand Canyon was created.(2 points)

The Grand Canyon was created by erosion as the Colorado River cut through layers of rock over millions of years, exposing colorful cliffs and creating a natural wonder.

In three to five sentences, explain the relationship between Native Americans and the Spanish.(4 points)

The relationship between Native Americans and the Spanish was complex. Initially, the Spanish came to the Southwest as explorers and traders, seeking riches and territory. At first, they established friendly relations with some of the Native American groups and even intermarried with them. However, conflicts soon developed over land, resources, and religious differences, leading to violence and oppression. The Spanish imposed their culture and religion on the Native Americans, causing significant harm to their way of life and traditions. Nevertheless, the Spanish influence can still be seen today in the Southwest's art, architecture, and cuisine.

In three to five sentences, describe what gray water is and how it is being used in the Southwest.(4 points)

Gray water is a term used to refer to wastewater that is generated from household and commercial activities, such as bathing, laundry, and dishwashing. Unlike sewage water, gray water is not contaminated with fecal matter and can be reused for certain purposes, such as landscaping and irrigation. In the Southwest, where water scarcity is a significant concern, gray water systems have become increasingly popular as a way to conserve water resources and reduce overall water usage. These systems capture, treat, and reuse gray water, thereby increasing the overall water-supply efficiency and lowering the amount of water that is needed for gardening and landscaping purposes.

use pressure= rho*g*h