If a strand of DNA has 10% G,
A:
C:
T:

C would be the corresponding 10%

that leaves 80% remaining so that would be split ~ equally between the remaining 2 base pairs so

40% A and

40% T

Explanation:

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explanation: bc blah

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs