science ch2 basis elements class 9
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Answer:
oxygen
44
calcium
1700
carbon
12.6
phosphorus
680
hydrogen
6.6
potassium
250
nitrogen
1.8
chlorine
115
sulfur
0.1
sodium
70
magnesium
42
Trace Elements (mg)
iron
5000
lead
35
silicon
3000
barium
21
zinc
1750
molybdenum
14
rubidium
360
boron
14
copper
280
arsenic
~3
strontium
280
cobalt
~3
bromine
140
chromium
~3
tin
140
nickel
~3
manganese
70
selenium
~2
iodine
70
lithium
~2
aluminum
35
vanadium
~2
Explanation:
These are the basic elements check it carefully.Hope this will help you.
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