Answer:
safety/ correct exercise / trustee personal fitness
Explanation:
If groundwater dissolves the limestone and other minerals in the ground, the surface on top may eventually fall into it, causing a sinkhole.<em> (B)</em>
Physical activity is important for everyone, but how much you need depends on your age. Adults (18-64 years) Adults should do at least 2 hours and 30 minutes each week of aerobic physical activity at a moderate level OR 1 hour and 15 minutes each week of aerobic physical activity at a vigorous level. Hope I helped :)
Most respiratory illnesses are spread primarily through contact, droplets, or through the air.
