Im fine and you?)))))))))
<span>PAST INDEFINITE ИЛИ PRESENT PERFECT ?
1 HAVE YOU READ THIS BOOK?
YES, I HAVE ALREADY READ IT.
WHEN DID YOU READ IT?
I READ IT TWO MONTHS AGO
2 HAS IT STOPPED RAINING YET?
<span>YES, IT STOPPED RAINING AN HOUR AGO
</span></span>
My idol is Michael Jackson. I admire him because his a good singer and a good dancer. His movements are very premeditated and <span>graceful. I have likes him since my childhood and tried to repeat his movements. His my favourite artist forever.</span>
M(N):m(оксида)=63,6:100
m(N):m(O)=63,6:36,4
это по массе, а нам надо перейти к количеству n(N):n(O)=63,6/14:36,4/16
4,5:2,275=2:1
N2O
<span>Посмотрите на картинки и ответьте на вопросы.</span>