A concave mirror because a concave mirror can focus light rays to a point
Answer:
Such a study is best characterized as a non-experimental study.
Explanation:
Non-experimental research is the study whereby a researcher cannot manipulate, control, or change the subjects of a research but instead, the researcher depends on observation, interpretation, or interactions to arrive at a conclusion. This means that in a non-experimental study, the researcher relies on surveys, correlations or case studies.
Non-experimental research has a great level of external validity because it is usually generalized to a bigger population. XYZ Corp making use of a survey is an example of non-experimental study.
<span>Unsure if there is a question posed or implied here. In any event, Trevor should have immediately researched and documented the suspect batch(es) of peanut butter, contacted any retailers who may have received the contaminated batches and then confirmed that those batches had been returned to his plant and destroyed. At the same time he should have instructed his employees to shut down the production of peanut butter, destroy the plants current output, and completely clean, inspect and retest the line in order to ensure that uncontaminated peanut butter was being produced. During this self-inspection stage, he shoudl have also notified the US FDA and reported onwhat had been done and documented.</span>
Answer:
If two sides of a rectangle add up to 18cm and the area is 80 units squared then the length is 10cm, and the width is 8cm. If you add 10 and 8 together you get 18, and if you multiply those you get 80 units squared.
Explanation:
