Bias is a judgement that is not based on fact
Observation is usually the first step of an experiment
Scientists try to understand the phenomena that occur in the enviroment
These three are true
True. Annelids are true coelomates, as they have a muscular system lining their body cavity.
DNA fingerprinting is used to analyze the DNA sample and identify the criminal. The DNA has a set of the portion, which is different in all unrelated people, and this is unique to every person. This is used as a fingerprint and is used to identify a person, in a crime scene.
Sedimentary rock because type of rock that forms when sediments from a weathered rock were eroded and deposited in the ocean, where the compaction and cementation turned them into a new rock.
A city needs power plants to support just about everything in it, just as a cell needs the mitochondria to support the cell in doing it's job.
