The correct answer among the choices given is option A. For a fusion reaction to happen, matter needs to be in the plasma state. For fusion reaction to happen special conditions should be met to overcome the energy required. One is that the temperature should be high to give atoms enough energy to overcome any resistances. It requires about 100 million Kelvin of temperature. At this point, hydrogen occurs as a plasma.
By ringing the bell making The dog drool with the food
China Asia Persia. Really any empire in Asia.
The correct answer is A. Primary group
Explanation:
In sociology, a primary group is a relatively small group such as family or close friends that is characterized by long-term and frequent interaction along with close personal bonds, This group differs from others groups because in primary groups the relationship between individuals endure, also, they involve support, love, concern, etc. while in other types of groups such as secondary groups relationships do not last and are not personal. According to this, it is "primary group" the word that fits with the definition provided.
