a hypothesis is an educated guess of an observation about the world
An experiment
Evidence.
No, often there is not enough evidence either way.
no. you need to have solid proof that it exist.. else it will be rejected.
When we've proven that the hypothesis is false !
An experiment
Observations
Observations
The Nebular Hypothesis.
he developed main streams of dna
organic evolution
James Lovelock
yes
The scientific means for proving his hypothesis had not yet been developed.
true
This indicates that the hypothesis is probably incorrect and a new hypothesis needs to be developed. A negative result for a scientific experiment is just as important as a positive result and means that the experiment was a success.
Almost always