The answer is source B because it has a listed author who is an expert and it is the governments organization website which are more reliable that a .com website. Source A does not even list the author so you do not know who wrote it could be anyone.
Answer:
There is not such a thing as a QRS wave and it is just another name for QRS complex which I'm sure you know represents ventricular polarization
Explanation:
Answer:
Cohort marketing.
Explanation:
When it comes to marketing, the term "cohort" refers to specific experiences, events or other factors shared by a group of consumers. These cohorts are used to identify and target segments of the market that, although they may fit into other models, are more effectively grouped and treated as one.
Cohorts are the things that separate specific groups of people even within their demographic groupings. For example, men between the ages of 55 and 70 are a demographic grouping. Men between the ages of 55 and 70 who share the experience of having served in the Navy on board aircraft carriers are a cohort. Cohorts are far more specific than standard demographic groupings and as such are a valuable tool for precisely targeted marketing campaigns and niche businesses.
Gopnik argues that babies learn so much in such a short period of time because they need to, to be able to survive in the world.
The appropriate answer is A. carbohydrates. Carbohydrate is an energy rich substance found in foods such as vegetables, cereal grains and breads. Carbohydrates can be easily broken down to glucose, which is the basic unit or molecule used in the process of cellular respiration.
Foods from animals such as milk, eggs and meat are a rich source of protein. Vitamins are present in all food groups and these are essential in regulating growth and normal body functioning.
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