Sciclul cucciucucurucus
which of these four elements is the most reactive metal?
he
3
10
oll
be
ne
li
11
na
13
1 14
12
mg
20
15
8
18
ar
ar
31
k
ga
38
53
sr
1
56
55
cs
ba
49
54
in
xe
81
84 85
85 86
po at
113 114 115
117 118
nh fl mc lv ts og
ti
87
88
ra
116
fr
reset
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Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon