The correct answer is that they 'are not valid'. If the experiment is biased, it entails that it is not objective. For a experiment, and its results, to be valid, it had to be carried out objectively and taking into account all factors.
It is possible that the results disprove a hypothesis, but to be certain it is necessary to see which was the original objective of the study, as it might also prove to some extent a hypothesis, which is probably also biased.
Answer:
an description of the texts citation
Explanation:
an additional piece of information printed at the bottom of a page .they cite references or comment on a designoted part of the text above it.
In science, a catalyst would be a substance that increases the rate of a chemical reaction; however, the definition when discussing language would be "someone or something spurring an event or action".
Answer:
We visit our grandfather's house in both the Summer and Winter
Explanation:
I'm not 100% sure about this one, But I gave it my best!
Tempeture can affect its temperature because the climate changes an so the more it changes the more it affects and soil it can affect plants by its nutrients and then light the more the light the more stable the ecosystem is. Temperature, soil and light affect the ecosystem by determining the type of plant and animal life that will be there.