crossword

123456789101112
Across
  1. 4. is a quantity referred to the notion of heat measurable by a thermometer
  2. 7. It refers to the balance of a species with the resources of its environment.
  3. 10. Diversity of plant and animal species that live in a determined space
  4. 12. Lack of rain over a prolonged period of time causing dry fields and water shortages
Down
  1. 1. Set of atmospheric conditions typical of a place, consisting of the amount and frequency of rainfall, humidity, etc.
  2. 2. is the occupation by the water of areas that are usually free of this
  3. 3. Substance or matter that when combined with oxygen is capable of reacting releasing heat,
  4. 5. is the disappearance of all members of a species or group
  5. 6. it is a mixture of organic substances
  6. 8. natural environment encompasses all living and non-living beings
  7. 9. process whose objective is to convert waste into new products or raw materials for later use
  8. 11. when elements or substances enter an environment that normally should not be in it