Answer:
Proteins reflect DNA sequences, so scientists study proteins to look for genetic similarities and differences in organisms.
Explanation:
All of the groups above or higher than the family... kingdom, phylum, class, and order.
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Answer:
Heat is trapped close to the surface of the earth creating the greenhouse effect (greenhouse gasses such as carbon dioxide and methane). Global warming increases because of the greenhouse effect too.
Explanation:
Meat, vegetables and dairy
Crystal minerals are separated into six specific mineral systems. These systems are based on geometry and the angles between the axes. They can be separated even further by sections of "habit", which is the crystals different kind of appearances found in nature.