Answer:
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<span>D. increase in global temperatures, increase in atmospheric concentrations, increase in emissions
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<span>Through a process called cellular differentiation, during development cells have specific genes which are turned on and off depending on their job function. At any time, cells will only have small amounts of DNA being used, the rest of the DNA is turned off. For example, muscle cells will have genes turned on to produce myosin, muscle fibers. Skin cells will have genes turned on to produce melanin and reproduce every twenty minutes.</span>
Bolus is swallowed and travels down the oesophagus to the stomach for digestion. Once the bolus reaches the stomach, it mixes with gastric juices and becomes chyme. The chyme then travels though the intestines and moves on for further digestion and absorption.
Peristalsis: the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements that push the contents of the canal forward.
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Answer:
1. Mad cow disease is diagnosed in a cow and the entire herd is subsequently slaughtered. Single case or small number of cases
2. Death certificates are used as the basis for measuring the number of deaths and the probability of death among infants. Statistics—vital statistics and reportable diseases
3. A sample of adolescents are questioned about their cigarette smoking behavior. Survey data
Explanation:
As we can see that the Mad cow disease was diagnosed in just a single cow first hence this type of data illustrates single case or small number of cases.
Statistics are used for numbering the amounts of dead which might have occurred in a region or entire country during a particular time. The statistics can be compared with one another. Hence, the data for death would be calculated by statistics- vital statistics and reportable diseases.
A survey is used to ask a question or different questions from people under study. Hence, the data from a sample of adolescents questioned about their cigarette smoking behavior would be a survey.
