Crossword

2. The fuel of non-fossil biological origin, produced from processes under biomass.
3. Often violent agitation, often from rain, hail, wind, lightning and thunder.
5. A biodegradable fuel derived from renewable sources such as vegetable oils and animal fats.
7. colorless gas, it is mainly used as an energy source.
11. A layer of gases that surrounds the Earth and is held back by the force of gravity.
12. One of the four seasons of the year, characterized by being the hottest season.
13. They are substances that we burn to produce heat.
14. Ethyl alcohol, a colorless, flammable, water-miscible liquid.
16. Atmospheric conditions recorded in a short period of time.
18. It's the coldest season of the four seasons
19. Water falling from the clouds.
20. smaller bodies of water in extent compared to the oceans.

1. Conditions of larger sets that characterize a region, influence they exert on life on Earth.
4. Large vehicle, automobile, for public transport.
6. Central Star of the Solar System.
8. is a physical quantity used to measure the degree of agitation or the kinetic energy of the molecules of a given amount of matter.
9. Earth is the third planet from the Sun and the fifth largest in the Solar System.
10. An event of prolonged shortage in the water supply.
15. Vast expanse of salt water covering three-quarters of the Earth.
17. It is a circular air movement system, at a speed greater than 105 km/h.