Muscular dystrophy is an inherited disease. Over time, genetic defects weaken skeletal muscles. What problem can weakening skeletal muscles cause? loss of involuntary muscle control

difficulty standing and walking

damage to spongy bone

loss of bone marrow

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?

What is the best way to use the clean water act to address the issue of dirty water and diseases that plague asmall community? a) to report the number of cases of people who havecholera symptomsb) to provide health guidelines about effects from waterborne diseases c) to enforce standards that focus on chemical dischargeinto bodies of waterd) to carry out research that investigates how dirty wateraffects human health

1. true or false decay destroys tooth enamel 2. true or false- tooth decay starts when plaque builds up on your teeth