truelove9288
10.01.2020 •
Biology
Which of the following statements about the composition of earths atmosphere is true?
a)earths atmosphere contains 78% water vapor which is essential to life.
b)earths atmosphere contains 21% oxygen.
c)earths atmosphere contains carbon dioxide which all life forms require.
d)earths atmosphere allows radiation from the sun to pass through it and warm earths surface.
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Ответ:
Ответ:
1)Any negative number above -5
2)it wouldn’t make sense since it’s a negative number unless you replace the dividend
Step-by-step explanation: