Vertebrates have back bones or spines that give there body support.
Answer:
The correct answer is - 25600 bacteria.
Explanation:
Bacteria can divide and produce double their population very quickly. As mentioned in the question bacteria multiply every 15 minutes to their double number. Finding the number of bacteria after 2 hours is simple mathematics. Two hours means 120 minutes and dividing it to 15. The result will be 8 which mean the bacteria double their colony 8 time so,
100×2 to the power 8 = 100 (initial number of bacteria)×2×2×2×2×2×2×2×2= 25600
Thus, the correct answer is option- 25600 bacteria.
Answer:
Scientists observing something then they try to explain what has been seen. The explanation is called a hypothesis.
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Explanation:
Answer:
convention currents in the earth's mantle
Explanation:
the convention currents move the plates and that is how plates move
Answer:
the answer should be b ot ccc
