Question

1. which of the following would be an example of an uncontrolled experiment? the effect of salt and water being mixed at different temperatures. the effect of water on different metals in a lab. the effect of the jet streams on weather conditions. the effect of heat on a plants growth.

Explanation:

An uncontrolled experiment is one where variables cannot be fully controlled. In the case of the jet - streams affecting weather conditions, it occurs in the open atmosphere. We cannot control the jet - streams or all the variables related to weather. In the other options, experiments can be set up in a lab to control variables like temperature, types of water, and heat exposure.

Answer:

The effect of the jet streams on weather conditions.