PLS HELP ME Definition: This is a sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity. It separates the thoracic cavity containing the heart and lungs, from the abdominal cavity and performs an important function in respiration: as the diaphragm contracts, the volume of the thoracic cavity increases, and the air is drawn into the lungs.

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The most effective way to provide children with safety messages is to a. not allow them to explore new environments. b. role play what not to do. c. clearly explain the correct way to do things. d. have a safety-themed day once each year.

In some states, medical marijuana is legal. this means that people who need to take marijuana because of a medical condition may take it only with approval from the doctor. however, officers still advise these people not to drive while under the influence.what is the main reason for this? they would become dangerous to themselves and other people.they would not able to read and follow street signs.they would not be capable of staying in only one lane.they would become dangerous to wildlife that may be present.

Why is sustainable agriculture so important?