Chargaff's rules state that DNA from any cell of all organisms should have a 1:1 ratio of pyrimidine and purine bases and, more specifically, that the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine .
Answer:
C. Bones provide structure and support to the body, while bones move the muscles.
Explanation:
The muscular nor skeletal system send signals to the body. This job belongs to the nervous system.
Muscles cannot offer the same amount of support and structure to the body that the skeletal system can. However, muscles can contract and relax to move.
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Answer;In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.
Explanation:
