Scientist believe that the function of a hiccup in the human body could be all of the following except for:

a

to stop us from bringing water into lungs

b

to nursing infants to clear air from their stomachs

c

a leftover reflect from when our ancestors had to pump water over their gills

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Describe five factors that influence the value of fuel

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Darwin’s hypothesis about how life changes over time is now called?