Updraft can be a problem when:

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Multiple Choice

Updraft can be a problem when:

Explanation:
The main idea is atmospheric stability driving vertical air movement. Updrafts happen when the surface air is heated and wants to rise, and this process is strongest when the atmosphere is unstable—that is, when the air above is cooler than the air near the ground. In that case, the rising air parcels remain buoyant as they ascend, creating strong vertical mixing. That rising motion can lift spray droplets higher than intended, increasing drift and reducing the amount reaching the target area. If the air above were warmer than the surface, the atmosphere would be more stable and resist vertical motion, so updrafts would be less likely.

The main idea is atmospheric stability driving vertical air movement. Updrafts happen when the surface air is heated and wants to rise, and this process is strongest when the atmosphere is unstable—that is, when the air above is cooler than the air near the ground. In that case, the rising air parcels remain buoyant as they ascend, creating strong vertical mixing. That rising motion can lift spray droplets higher than intended, increasing drift and reducing the amount reaching the target area. If the air above were warmer than the surface, the atmosphere would be more stable and resist vertical motion, so updrafts would be less likely.

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