<span>En avión OR In aircraft</span>
Answer:
you can use it when you need to say things like
Un: Un gato - a cat
unos: unos gatos- some/male cats
unas: unas gatos- some female cata
una: una gato- a female cat
Answer:
a problem is researchable only if it can be scientifically proven
Explanation:
In science, a problem can be defined as a statement, condition, difficulty or question which is investigated by using the scientific method. In the scientific method, first is required to raise a possible explanation or 'hypothesis', which is based on objective inferences. Second, from this hypothesis, it is possible to make predictions which are subsequently proved or rejected by carrying out experiments and/or empirical observations in order to finally obtain results and conclusions about the researchable question.
