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.
brainliest plz
Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
The principles of sustainable development are as follows:
1. Conservation of ecosystem.
2. Development of sustainable society.
3. Conservation of biodiversity.
4. Control of population growth.
5. Development of human resources.
6. Promotion of public participation.
1) you could see an doctor
2) stay away from things that can make you sick
Trepanation is the answer
