Answer:
IT HAS 4 CHAMBERS THAT PUMP BLOOD, 2 ONE THE RIGHT AND 2 ON THE LEFT
Explanation:
There are two phases of the cardiac cycle. These phases are diastole and systole. The dicrotic notch is found during systole, specifically ventricular systole.
Systole is the time when <span>left and right ventricles contract and eject blood into the aorta and pulmonary artery.
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Diastole is the time when the ventricles are not contracting or are in a relax mode.
Answer:
(C) There is insufficient evidence that the vitamin improves the health of adults because at the 0.05 significance level, one could easily get statistically significant results in 2 out of 85 tests just due to chance variability.
Explanation:
T- tests is statistical tool that is used to determine if between the mean values of two groups there is a significant difference present.
It is used to test the hypothesis of an assumption that can be applied to a particular set or group of people.
In the question above, Option C is the valid conclusion because from the t-test carried out a significant level of 0.05 occured in two variables out of 85. Therefore there is insufficient evidence to prove that vitamin C improves the health of Adults.
Natural medicine is better if they do exactly the same thing as the chemical.
Answer:
make sure to report if a child appears to have been beaten
Explanation:
The National Association for the Education of Young Children requires childcare and education professionals to know the symptoms which are indicative of abuse and to also know the procedures or steps in handling it.
One of the symptoms of child abuse is physical beating by parents or guardians. So, this statement means the same thing as the requirement from NAEYC. To address the issue, reporting to the appropriate authorities is one of the first steps.
