The problems that science has to solve and some solutions it already has

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Across
  1. 2. animals that injure or kill cultivated plants. The harm done by plant pests and diseases is great. The most varied and numerous species of crop pests are arthropods: insects, arachnids (mites), and some species of millipedes and crustaceans (wood lice).(two words without any space between)
  2. 5. the process by which beings developed on earth from primates (two words without any space between)
  3. 6. it is the retention of heat in the atmosphere because of the effect of certains gaz.(three words without any space between)
  4. 8. Scientist aren't sure that this matter exists because it doesn't radiate in the univers but it can explain some observations of the cosmos.(two words without any space between)
  5. 13. is the process of introducing foreign gene delivery, such as DNA or RNA, into host cells.
  6. 15. The issue to know how our univers was created.(two words without any space between)
  7. 17. a mix between two different species.
  8. 19. the combination of influences best suited to improve the hereditary qualities of a race or breed, especially the human race.
  9. 21. is defined as “an epidemic occurring worldwide, or over a very wide area, crossing international boundaries and usually affecting a large number of people”. The classical definition includes nothing about population immunity, virology or disease severity.
  10. 22. happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them. That means the germs are not killed and continue to grow.(two words without any space between)(two words without any space between)
Down
  1. 1. The biggest challenge of the twenty-first century is to provide sufficient food, water, and energy to allow everyone on the planet to live decent lives in decent environments, in the face of rising population, the threat of climate change, and (sooner or later) declining fossil fuels.(two words without any space between)
  2. 3. Human’s fossils study
  3. 4. phytosanitary products which causes the cancellation of some « harmful » cultures like beatles, mushrooms, or « bad » or « harmfull » grass.
  4. 6. a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.(two words without any space between)
  5. 7. cultural and intellectual movement which advocate the use of science and technologies with the next purpose: increase the physical and mental capacities and abilities of humans
  6. 9. a set of processes for the provention of a disease, it is opposed to a curative therapy which is just aimed at healing
  7. 10. the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
  8. 11. processe during which their is a permanent destruction of surfaces covered with drills
  9. 12. This celestial object is so dense that the intensity of his gravitational field stop matters and light.(two words without any space between)
  10. 14. An action in return of a phenomenon that amplify its causes (the word is said positive) or reduce it (the word is qualified as negative)
  11. 16. it is a scientific community which study the evolution of climat (in order to make report) So it’s an organisation of experts which study the evolution of climate.
  12. 18. the theory and development of computer systems able to perform tasks normally requiring human intelligence, such as visual perception, speech recognition, decision-making, and translation between languages.
  13. 20. the investigation, by means of crewed and uncrewed spacecraft, of the reaches of the universe beyond Earth's atmosphere and the use of the information so gained to increase knowledge of the cosmos and benefit humanity(two words without any space between)