..........cancer..causing...agent...2.It...leads...
walio severe...mouth lung.eebimen ailment. O h..pre.ge
Known to cause fetal abnormalities. Hence, tobac
not be used for cleaning teeth.
TOPEN-ENDED QUESTIONS tu
Q. Answer the following Questions :
wake a list of natural and man-made substances you see around you.
(Let's recall :
Ans...Natural substances
Make
42
VIKAS SMART WORKBOOK : GENERAL SCIENCE-STD. VII
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dude, isme krna kya h
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