Chemistry, asked by shishupal8793, 7 months ago

8) Which of the following element is not essential in biological
system
a) calcium
b) Magnesium
c) nitrogen
d) Uranium

Answers

Answered by singhvidisha682

2

Answer:

uranium........

Explanation:

hope it helped

Answered by philipghatey21stmile

0

Answer:

your answer is nitrogen

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