Explanation:
the carbon cycle is the biogechemical cycle by which carbon is exchanged between the biosphere, pedosphere, hydrosphere and the Earth's atmosphere
seeks to help communities mitigate and adapt to climate change, as well as improve food security.
Microtubules provide a rigid structure, or cytoskeleton
It’s 5211 bc a is 5, B is 2 and D is 1! hope this helps!