Explain why people with lead exposure have a higher risk of having a heart attack or stroke.

Mini dentist offices prefer preset trays because the use of these trays

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

Explain why you believe physician assisted suicide should or should not be legalized in more states across the us.