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1 vote
Which factor best explains why the graph changes from 1990 to 2010?

2 Answers

4 votes

Answer:

it gose down toup

Step-by-step explanation:

User Covener
by
5.1k points
7 votes

Answer:

new technology has improved medical imaging and surgery

Step-by-step explanation:

took the test

User Jakub Juszczak
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4.3k points