Answer:
The major source of pollution that leads to acid rain is factories.
Explanation:
The smokes which are thrown out from factory is mixed up with the rain and cause acid rain.Acid rain can cause various skin problems.
Answer:
High face validity
Explanation:
Face validity refers to the degree to which an assessment or test subjectively appears to measure the variable or construct that it is supposed to measure. In other words, face validity is when an assessment or test appears to do what it claims to do.Tests wherein the purpose is clear, even to naïve respondents, are said to have high face validity.
According to Alexander Chess and Stella Thomas, a child who expresses a low activity level, is somewhat negative, and is inflexible is a slow-to-warm-up child.
The term slow-to-warm-up children is used to denote children who are uneasy or cautious in new situations or with unfamiliar people and may have a difficult time with changes like a new child care provider, for example.
The most common of all non-academic uses of sociological methods is Market Research.
<h3>What is Market research ?</h3>
Market research can be regarded as process finding viability of a new service or product as well as the finding the potential customers.
We can conclude that this can be done though research conducted with potential customers.
Learn more about Market research at:
brainly.com/question/13171394
