Contour: Gives the bird its stream line shape.
<span>Down feathers: Keeps the bird warm.</span>
Methane, overview, carbon dioxide, Fluorinated Gases
Answer:
<em><u>ability to catalyze a reaction </u></em>
Explanation:
<em>Because it causes denaturation of the protein, but no chemical or electrical changes.</em>
Answer:
Science is a systematized body of knowledge based on facts, laws and principles.
Explanation:
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