Coal and chalk are examples of what kind of sedimentary rock

Now think of ways in which using healthcare services effectively can foster your health and ways in which not being aware of them is a health risk

What nutrients prevent osteoporosis? a. all vitamins and minerals b. calcium, vitamins c, d, and k, and magnesium c. protein d. carbohydrates

Waste is deposited into in thin layers which are then compacted and covered with soil.