Quan sát một đợt dịch của 100 heo con cai sữa, kết quả tuần 1 có 15 con mắc bệnh, tuần 2 có 12 con mắc bệnh, tuần 3 có 10 con mắc bệnh. Hỏi tỷ lệ mắc bệnh tích lũy là bao nhiêu? Select one:
a. 37
b. 0.37
c. 3,7
d. 0,037

What did the first language sound like

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.