Answer:
Justify given in explanation:
Explanation:
When there is environmental pollution it adds dust to water soil and sound because when pollution is added to water the water becomes polluted same on air, soil and sound. Which causes the soil to absorb polluted water and the plants that absorb oxygen doesn't get dust-less oxygen and as a result there growth is not good
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.
Explanation: