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How are the processes of the water cycle essential to an unpolluted biosphere? please help me
answered
Jan 29, 2018
Social Studies
high-school
3
votes
196k
views
how can you use a hundred chart to solve 90_ 80? solve the problem. then explain how you got your answer
answered
Jul 24, 2017
Mathematics
middle-school
6
votes
39.6k
views
Which is the primary consumer in this food chain?
answered
Feb 28, 2017
Biology
college
3
votes
38.2k
views
What is a role of the pacemaker or sinoatrial node (SAN)? A. To initiate contraction of the ventricle B. To pass the excitation through Purkinje fibres C. To originate excitation in myogenic muscle D.
answered
Mar 10, 2016
Biology
high-school
5
votes
41.0k
views
What is the function of eukaryote
answered
Mar 27, 2015
Biology
middle-school
2
votes
42.5k
views
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