Answer: I believe option C is correct. Hope this helps
Explanation:
Answer:
The clinical trial show efficacy and safety.
Explanation:
There are tests that are done to make sure that the drug, vaccine, etc. works. The effectivness is called efficacy. In order for a drug to be apporved it has to be safe and effective. If it fails this test, it is not approvable.
The best thing to do with the increasing pollution in your area is to do steps stated in letter A. It is essential that the council be informed of the problem and there is a need to follow up on the progress as well. The cooperation of everyone involved in this problem is deemed very necessary.
Both heart attack and heart failure are serious cardiovascular conditions. A heart attack is blockage of blood flow to the heart and occurs when the blood flow that brings oxygen to the heart muscle is severely reduced or cut off completely. The heart attack is acute and sudden and causes a lot of chest pain . Heart failure on the other hand occurs when the heart cannot circulate blood through the body and is a chronic progressive process. According these explanations the following statement is true: Heart tissue dies during a heart attack, while heart failure results in systemic oxygen deficiency. Correct answer: C
