Biology, 19.07.2019 09:00 andybiersack154
As americans moved west, they built the railroad and then many new towns and cities. also, as americans moved west, the buffalo population declined. why? a. trains killed many of the buffalo. b. the buffalo moved further west to survive. c. there was less grass for the buffalo to eat. d. climate change caused the buffalo to become extinct.
Answers: 2
Biology, 21.06.2019 22:00
How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.
Answers: 1
As americans moved west, they built the railroad and then many new towns and cities. also, as americ...
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