I don't know what your choices are, but I would imagine that the answer is the process of crossing over. Next time please provide the choices that you're given :)
Answer:
Biology is the study of living things.
The scientific method is a method of procedure that has characterized natural science.
Explanation:
They use carbon dioxide for photosynthesis in return this makes oxygen for us to breath
Three examples of the second law of thermodynamics are: taking a bath, melting an ice cube and sweating in a crowded room.
The reason for this is that the second law of thermodynamics is exactly "The second law of thermodynamics says that when energy changes from one form to another form, or matter moves freely, entropy (disorder) in a closed system increases. Differences in temperature, pressure, and density tend to even out horizontally after a while." For more info visit the site I got this info from. :)
https://simple.m.wikipedia.org/wiki/Second_law_of_thermodynamics
