Just using the results from questions 9 and 10, we can say that Relative Humidity ___ as air temperature increases.

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BlackTom AI · Accepted Answer

Restating the question and options for clarity:
Question: Just using the results from questions 9 and 10, we can say that Relative Humidity ___ as air temperature increases.
Answer options:
- Increases
- Decreases

Now let's analyze each option in turn, drawing on how relative humidity (RH) typically behaves with changing temperature when moisture content is not being added.

Option 1: Increases
- One possible intuition might be that warmer air can hold more water vapor, which could suggest RH might rise. However, relative humidity is defined as the amount of water vapor present in the air relative to the maximum amount it could hold at that temperature. If the air temperature increases but the actual amount of water vapor in the air remains the same (a common assumption when not adding moisture), the air’s capacity to hold water increases, so the same amount of vapor represents a smaller fraction of the maximum capacity. Therefore RH tends to decrease, not increase, when temperature rises in the absence of extra moisture. This makes the statement Increases inconsistent with the typical behavior of RH under rising temperature with constant moisture content.

Option 2: Decreases
- This option aligns with the conventional relationship between temperature and relative humidity when moisture input is not increased: as air warms, its capacity to hold water vapor grows, but unless additional moisture is added, the actual vapor amount stays the same, causing RH to fall. Since RH is a percentage of saturation, increasing temperature without extra vapor lowers the ratio of actual to maximum vapor, producing a decrease in relative humidity. This reasoning directly supports the idea that RH decreases as air temperature increases in this scenario.

Summary of the contrast:
- Increases is inconsistent with the definition of RH and common behavior when moisture content is held steady with rising temperature.
- Decreases matches the standard expectation that warmer air with the same moisture content has a lower relative humidity due to the increased saturation capacity.

Note: If questions 9 and 10 provided a different context (for example, simultaneous changes in moisture input), the conclusion might differ. In the typical interpretation described above, the temperature rise without added moisture leads to a decrease in relative humidity.

F25 MET D010L 65Z Meteorology Lab Investigation4 Quiz

Just using the results from questions 9 and 10, we can say that Relative Humidity ___ as air temperature increases.

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