Question 27 When douds are seeded from the ground, what actually causes ice crystals to form? Select one: Silver-lodide smoke Nudear radiation Propane Dry-ice pellets Question 28 Clouds would most likely be seeded from airplanes when __ Select one the process of spontareous nucleation cannot be employed temperatures are lower than usual it is important to save money the production of precipitation must be efficient P Flag question

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Question 27 When douds are seeded from the ground, what actually causes ice crystals to form? Select one: Silver-lodide smoke Nudear radiation Propane Dry-ice pellets Question 28 Clouds would most likely be seeded from airplanes when __ Select one the process of spontareous nucleation cannot be employed temperatures are lower than usual it is important to save money the production of precipitation must be efficient P Flag question

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Answer 1

Question 27:
When clouds are seeded from the ground, what actually causes ice crystals to form?

Answer: Silver-iodide smoke

Explanation: Silver-iodide smoke is used in cloud seeding because it provides nuclei for water droplets to freeze around, facilitating the formation of ice crystals.

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Question 28:
Clouds would most likely be seeded from airplanes when __

Answer: the production of precipitation must be efficient

Explanation: Cloud seeding from airplanes is often done to enhance the efficiency of precipitation production, especially in areas where natural processes are insufficient.

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