There can be lots but some main ones are pesticides and disinfectantas hope this helps :)
Drink a gallon a water a day and do a bunch of Exercise each day or at least an hour<3 hope ur okay
Image result for What will happen if air sacs are damaged?
When emphysema develops, the alveoli and lung tissue are destroyed. With this damage, the alveoli cannot support the bronchial tubes. The tubes collapse and cause an “obstruction” (a blockage), which traps air inside the lungs. Too much air trapped in the lungs can give some patients a barrel-chested appearance.
hope this helps
The answer to your question is,
C. Muscular fitness training strengthens tendons, ligaments, and cartilage.
-Mabel <3
Answer:
3 cups of cooked rice, 3 cups of vegetables, 2 cups of fruit salad, 3 cups of low-fat milk, and 6 ounces of low-fat meat.
Explanation: