They're both mostly unexplored and unexplainable
Answer:
Google is great sometimes
Explanation:
Type your question in google
The idea that males and females of approximately equal physical attractiveness are likely to select each other as partners refers to the Matching hypothesis.
In the field of social psychology, the idea that people are more likely to form successful relationships with and express liking for people whole level of physical attractiveness roughly equals their own.
A good example is. A man of average attractiveness goes on one date with an extremely attractive person, and then another with an average-looking person. He finds he likes the average-looking date more.
A bill can have a second chance after a veto.
If the president vetoes the bill, the Congress can over-ride the bill with a 2/3 vote of both houses (house and senate)...and with that, the bill becomes a law.
Answer is D. Nitrogen fixation.
The root nodules of some plants contains Rhizobium bacteria which fixes atmospheric nitrogen into soil as Ammonia. Ammonia is converted into nitrate which is the most usable form of nitrogen in the soil. Nitrate is absorbed by the roots of the plants, from plants nitrogen reaches to animals when they eat plants.