Answer:
b
Explanation:
I know this because I had the same question.
I believe the answer is: B.migrant workers.
At that time, the migrant workers was forced to live under a horrible condition since there was no laws that regulate company's treatment toward of its employees. Due to the plight of these workers, united farm workers was created in order to create better situation for the migrant workers.
Taking students and families to help plant trees and flowers in bare areas around their town.
<h3>What are the advantages of planting trees?</h3>
- Trees bring many benefits to the environment.
- Trees reduce the urban heat island effect through evaporative cooling and reducing the amount of sunlight entering parking lots and buildings. This is especially true in areas with large impervious surfaces, such as shop parking lots and industrial complexes.
- Trees improve air quality by filtering harmful dust and pollutants like ozone, carbon monoxide and sulfur dioxide from the air we breathe.
- Trees provide the oxygen we need to breathe.
- Trees reduce stormwater runoff, reduce erosion and pollution of our waterways, and can reduce the impact of flooding.
- Many species of wildlife depend on trees for their habitat. Trees provide food, protection and shelter for many species of birds and mammals.
To learn more about trees from given link
brainly.com/question/17218476
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Answer:
Guam
Explanation:
mark me as the brainliest
It spread through trainers and new innovations. Most popularly, the invention of the printing press.
