issagirl23
23.06.2020 •
Chemistry
Oxygen is an example of a(n)
A. heterogeneous mixture
B. compound
C. element
O
OD. homogenous mixture
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Ответ:
C. element. oxygen is an element
Explanation:
oxygen is element #8
Ответ:
ratios are both identical
Step-by-step explanation:
sin y =
= 
cos x =
= 
The ratios are both identical