The weather conditions that least favor chemical weathering are cold and dry.
Climate plays an important role in the breakdown of rocks and soil into sediment and this process is called weathering. Rocks found in equatorial climates and exposed to lots of rain, humidity and heat weather faster than rocks in located in cold and dry areas. Chemical weathering typically happens when there is increase in the temperature and there is rainfall. Hence rocks in hot and wet climate experience faster rate of chemical weathering.
In a wet climate there is an acceleration of weathering due to mixture of dirt with Carbon dioxide and air and water causing weak acid which breaks down rapidly. Whereas, cold, dry climate accelerate physical weathering due to expansion and contraction of minerals within rock.
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Answer:
self-administered survey
Explanation:
Jackie is doing a study on the number of hours spent watching TV and how this affects family cohesion. She decides to mail a questionnaire to randomly selected households in her state. This is an example of <u>self-administered survey</u>. A self-administered survey is a survey that is done or designed in such a way that the researcher will not interfere with the respondents. In this method the respondents complete the survey on their own with no agent to guide or interfere in the process. While this method is relatively cheap, the respondents feel more at ease, there is a higher requirement of respondents because due to the absence of monitoring or guidance there is usually increased error in questionnaires.
Secondary reinforcers are learned or conditioned. An example of a secondary reinforcer is grades or money. Secondary reinforcers are learned and are reinforced by the continual use of the reinforcer. Primary reinforcers are biological and include food, drink, and pleasurable activities.
