I just found this by searching for "mushroom diagram".
Answer:
Carbon cycle may be defined as a type of biogeochemical cycle that regulates the amount of carbon in nature. The carbon is released by the living animals and utilized by the plants in form of carbon dioxide.
Photosynthesis consumes the carbon dioxide to make carbohydrates where as cellular respiration releases carbon dioxide and breakdown the carbohydrate. Both these process helps in recycling of the carbon in nature and maintains the level of carbon in nature.
Answer:
electrochemical
Explanation:
Dendrites are branched protoplasmic fingerlike projections extending from a nerve cell whose main function is to communicate the electrochemical stimulation(message) received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project.
I think the correct answer from the choices listed above is option A. Glacial episodes are an example of a positive feedback. Each glacial period in the Earth is subjected to a positive feedback which makes each period more severe. Hope this answers the question.
Just guess, sorry im lazy..or just wait for better help XD
