Một gen có số lượng nuclêôtit loại G = 20% và có X = 600 nuclêôtit. Gen này có số liên kết hidro là A. 3600 liên kết. B. 3000 liên kết. C. 1500 liên kết. D. 3900 liên kết.

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The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

I’m stuck on this question cuz i’m stupid sksksksk