Answer:
Target Heart Rate
Explanation:
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.
A - coaching a child as they attempt to use a yo yo.
when scaffolding, you build upon previous knowledge, supporting the one learning. Option B does it for the child, Option C doesn't offer instruction and Option D never works - rushing doesn't make anything better.
There can be lots but some main ones are pesticides and disinfectantas hope this helps :)