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Correct Answer: A) Water pollution leads to a decrease in biodiversity.
Correct Answer: B) Resources.
Correct Answer: D) Keep global temperature rise below 2$^\circ$ C.
Correct Answer: C) Photorespiration happens most readily in high temperature and high light intensity.
Correct Answer: C) To make water, land and air dirty.
Correct Answer: C) Earth.
Correct Answer: C) Ella.
Correct Answer: A) Complex sentence.
Correct Answer: B) \parbox{\linewidth}{\centering \includegraphics[width=.35\columnwidth]{Figure/269.jpg}}.
Correct Answer: E) All of the above.
Correct Answer: A) C4 plants use PEP carboxylase for initial CO$_{2}$ fixation.
Correct Answer: B) Rivers and lakes had waste dumped into them.
Correct Answer: A) Plastic.
Correct Answer: C) 3 trillion.
Correct Answer: B) Earth Day grew, and now over a billion people around the world celebrate it.
Correct Answer: D) ATP and rubisco.
Correct Answer: B) April 22, 1970.
Correct Answer: B) 22 April.
Correct Answer: A) She earthed the wire to prevent shocks.
Correct Answer: B) Reuse.
Correct Answer: D) Less than 1%.
Correct Answer: C) Cleaning up trash in neighborhoods.
Correct Answer: A) True.
Correct Answer: A) The study of organisms and their surroundings.
Correct Answer: B) It decreases biodiversity.