What is the name of the process by which carbon is captured by living organisms and is passed from one organism to another? a) Nitrogen Cycle
b) Carbon Cycle
c) Water Cycle
d) Rock Cycle

B

Explanation:

The Carbon Cycle is the cycle of where carbon is circulated all over, from the atmosphere to Earth, and back. Our planet is a closed environment thanks to our atmosphere, and so the density and amount of Carbon in circulation is always the same. Carbon is released to the never ending cycle by volcanoes, fossil fuels, and other natural processes. Most of the Carbon on Earth is stored in rocks and the ground, while the rest is everywhere else.

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answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: