The build up in the child's ear prevent sound from reaching the eardrum.
Answer:
A
Explanation:
The correct option that does not describe the science of nutrition would be <u>that many studies have been conducted on the association between certain types of cancer and diet and, therefore, these links are well-understood</u>.
<em>While truly indeed many studies have been conducted linking certain types of cancer and diet, scientists are far from understanding the link between diets and cancer. While some degrees of understanding exists, it is not 100% certain that there is a cause-effect relationship between these two factors, and a large percentage of cases of cancer are caused by factors that cannot be controlled.</em>
The correct option is, therefore, A.
Answer:
Three ways a scientist can reduce bias include: 1) Sampling a larger pool (assuming the subjects are human) in order to broaden recorded data. 2) Making sure to sample more than one group. This means to not just sample one's friends, etc.
Henry observed the aquatic life in the pond, but also the
trees, vegetation, and animal’s species on land. The diversity observed by
henry is ecological diversity. Ecological diversity is the variation in the
ecosystems found in a region or the variation in ecosystems over the whole
planet. Ecological diversity includes the variation in both terrestrial and
aquatic ecosystems.