Crucigrama ATMOSPHEREVersión en línea Guess the 7 words por Tania Antelo 1 Is the 1% of composition of the atmosphere 2 Are invisible rays of the spectrum with wavelengths shorter tan violet 3 Is a layer that surrond the Earth 4 is use to help plants grow generally in spring season 5 Is the 78% of composition of the armosphere 6 Is the 21% of composition of the atmosphere 7 Is the smallest part of an element that can take part in a chemical reaction 7 2 3 1 4