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.
No. that is false. atticus never whipped his kids.
the mongoose and the cobra universal enemies .the mongoose is and but in fight,it is very and hard
Answer:
Nervous system: 3
Excretory system: 1.
Kidney: 2.
Respiratory system: 3.
Explanation:
Nervous system: Transmits nerve impulses to parts of the body.
Excretory system: Fluid waste that gets removed from the body.
Kidneys: A bean shaped organ that filters and transmits urine to the bladder, which transports out of the body.
Respiratory system: Brings oxygen to the lungs, and exhales carbon dioxide and waste materials.
Answer:the fire at the beginning of the chapter
Explanation:
