Not all drugs are dangerous or illegal. some are prescribed by doctors
to with health-related issues. which of the following is a type of
legal drug?

a. vaccine

b. peyote

c. wetstick

d. opium

The results of the dexa measurements are known as?

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?

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