OK so basically you use a compound light microscope to observe specimen so if you were trying to find micro organisms that would be the one to choose.
If taken under arm pit it may be 99.4.if taken oral considering the person had nothing by month it will be 98.6
Answer:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.
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