Express the following with a lesser degree of certainty. Example: Biotechnologies

Express the following with a lesser degree of certainty. Example: Biotechnologies will considerably lessen pollution of the environment. Biotechnologies are likely to lessen pollution of the environment. Education will never become an automated process. Education is unlikely to become an automated process. 1 Petrol-fuelled transport will be prohibited in the 21st century. 2 Experiments carried out on space stations will lead to many unexpected advances in science. 3 Human-like robot servants will not take over from real people, as two-legged machines are very unstable. 4 Domestic robots will be used to take care of the old and the disabled. 5 Although it is possible technically, people will not substitute nutrient pills for real meals. 6 In the near future, virtual reality will be used to treat some psychological problems.