Chemistry, 30.09.2020 04:01 UratazZ

Mastery Assess It_1 Chemistry - 0190-220061.501 / Week 2 (Aug 31-Sept 4) / Defining Matter / Day 5: Unit 1 Test
1. Based on the data in the graph below, how many sunspots were recorded in 1975?
Sunspots Per Year
180
160
140
120
100
Number of Sunspots
80
60
40
w
20
0
1965
1970
1975
1980
1985
1990
1995
2000
2005
Year

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