Answer:
D
Explanation:
The following best describes Americans before the founding of Earth Day is most Americans did no know how they were hurting the planet. Thus option (d) is correct.
What is an earth?The term earth generally refers to the third planet from the sun in our solar system, also known as Earth or the World. It is a terrestrial planet, meaning it is composed primarily of rock or metal.
Earth is unique in our solar system because it has a stable atmosphere that contains oxygen, which supports a wide range of life, including humans. It also has a magnetic field that protects it from the solar wind, a stream of charged particles that emanates from the sun.
The most of the Americans did no know how they were hurting the planet before the founding of Earth Day.
Learn more about earth here:
https://brainly.com/question/30501849
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