Answer:
The concept of national parks was one of the most popular ideas in The U.S. ever produced. It stemmed from the desire to protect species places for visitors' present and figure enjoyment. Since Yellowstone was designed in 1872, the concept of what constitutes a national park has expanded significantly.
1/2 of a serving is how much it is equal to
Gerund or present participle
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Answer: Einstein’s ideas about gravity affected the way scientists viewed space.
Explanation:
This is the only objective statement. The others are evaluations or opinions.