Record the data in the table below for each of the locations.

Location

Timeline

Human Impact Measurements

Recommendation to Decrease Human Impact

New York City

Water Pollution

(in parts per million)

50 years ago

Present Day

Future Development Impact

Amazon Rainforest

Levels of CO2

(in parts per million)

50 years ago

Present Day

Future Development Impact

Sahara Desert

Loss of land by Erosion

(in meters)

50 years ago

Present Day

Future Development Impact

New York City: 50 Years ago: 625 ppm Present Day: 893 ppm Future Development Impact: 843 ppm. Recommendation: Stop littering in water, to help keep it clean.Amazon Rain forest CO2: 50 Years ago: 318 ppm Present Day: 402 ppm Future development impact: 338 ppm Recommendation: Avoid human interaction so nature can take it's course. Sahara Desert Loss Of Land: 50 Years ago: 1.2 Meters Present Day: 3.5 Meters Future development impact: 2.4 Meters Recommendation: Using better farming practices by rotating crop locations can help with soil erosion.

Explanation:

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The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.