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.
Do you know what part of the book this is in-reference to specifically?
Answer:
strongly
Explanation:
The wind was blowing strongly
Answer:
a) properly constructed sentence
Explanation:
<em>If you want to feel really well, you should get enough sleep. </em>This is a type of conditional sentence. It states a genreal fact, therefore the expected or general result is stated in the simple present " If you want..." and the condition to be applied is realised through the modal " you should ...", which states a piece of advice.
