a) pulmonary valve
Biology, 20.10.2019 11:00 chenepiernas
What valve prevents back flow into the left ventricle of the heart?
a) pulmonary valve
b) mitral valve
c) tricuspid valve
d) aortic valve
Answers: 2
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The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s
Answers: 3
Biology, 22.06.2019 11:00, yasarhan2
Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.
Answers: 1
Biology, 22.06.2019 14:00, quentonwise
The (blank) states that all loving things are made of cells.
Answers: 1
What valve prevents back flow into the left ventricle of the heart?
a) pulmonary valve
a) pulmonary valve
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