النتائج (
العربية) 1:
[نسخ]نسخ!
the sun and the greenhouse effectThe sun is the central star of our solar system, which consists of 8 planets: mercury, venus, earth , mars, Jupiter, Saturn, Uranus and Neptune. The "surface" of the sun is very hot, with a temperature of about 6000 degrees Celsius.
يجري ترجمتها، يرجى الانتظار ..
