A prolific diarist is a pepys
Answer D for question 1 and answer B for question 2.
Answer:
All mammalian has a bone structure that consists of a skull with a brain inside and a spine with a spinal cord inside.
All mammalians have three little bones into the middle ear to transmit sound.
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All mammals have a dentary joint that joins the skull with the lower jaw and most of them have have heterodont teeth.
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Explanation:
1) water scarcity
2)food insecurity, irrigate
3)young people, gather
4) sanitation, contaminate
5) replenished, water table
