Audrey is reading a chemistry research paper and comes across an unfamiliar scientific procedure. which pair of sources would best her learn about the procedure? which pair of sources would serve as appropriate starting points of research? a) a textbook and a science encyclopedia b) a science journal and an internet source c) a database article and wikipedia encyclopedia eliminate d) an advertising internet site and a database article

The correct answer will be-

1. Option-B

2. Option-B

Explanation:

A scientific method is a systematic approach to understand and explain the natural phenomenon.

The scientific method involves various steps which begin with making an observation, asking a question, doing background research, proposing hypothesis and experiment which could provide results.

The background research or review of literature on the issue related to the scientific question should be done from the reliable source which is a peer-reviewed scientific journal paper. So, the research paper is cited in the paper as a reference point.

So, if any problem is found in the procedure one should search cited scientific papers of the journals and the internet.

Thus, the selected option is the correct answer.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation

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explanation:

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