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Correct Answer: C) The mountains and hills divide the land making it hard to travel.
Correct Answer: B) It lost one electron.
Correct Answer: C) Many are used as catalysts, they form coloured ions of different charges.
Correct Answer: B) Extinction.
Correct Answer: D) 5 +2.
Correct Answer: B) C6H12O6.
Correct Answer: D) Have to.
Correct Answer: B) Jupiter, Saturn, Uranus, Neptune.
Correct Answer: B) Europe.
Correct Answer: C) Saudi Arabia.
Correct Answer: B) Proclamation of 1763.
Correct Answer: A) To describe the dolphin's habitat.
Correct Answer: C) Assessment FOR Learning.
Correct Answer: C) Anaphase.
Correct Answer: C) Changes in the frequency of certain alleles in the population.
Correct Answer: C) 11+5.
Correct Answer: C) Measurement.
Correct Answer: C) It is composed of protons, neutrons and electrons.
Correct Answer: B) 760 mm Hg.
Correct Answer: D) All of the answer choices are correct.
Correct Answer: A) 127, 255.
Correct Answer: D) Tn = $ 1.69Tn + $ 4.10, T1 = 1.
Correct Answer: B) 1 6/12.
Correct Answer: B) Sunny; hot.
Correct Answer: D) Offspring.