Zipper fracking is a new technology that produces more oil and more gas, safely and effectively, all from rock formations. Well drilling is another way, you get clean, natural gas by drilling into wells that connect into the ground. All that being said, we could also get chemical energy to be more safer, more usable, more efficient, and cleaner, if people were not careless with their work.
Answer:
Reciprocal altruism is one of the altruism behaviors in which an individual organism helps in increasing the fitness of another organism by reducing the fitness of itself temporarily in expectation of the same behavior from another organism in the future later.
It takes place in the same set of organism partners which is a continuous interaction ion in stable groups of organisms.
Thus, the correct answer would be - an ongoing interaction in the same set of partners.
The main function of mitosis is to allow for growth and development and to replace dead and or decayed tissue.