Danielle is happy to learn that her best friend from her hometown is on the phone. however, the sadness in her friend's voice causes danielle's mood to change from happy to sad. this change in mood resulting from the tone of her friend's voice is called

Emotional contagion

Explanation:

In psychology, the term emotional contagion refers to the phenomenon by which one person's emotions trigger similar emotions in other people. In other words, individuals tend to express and feel emotions that are similar to the ones from the people they are interacting with.

In this example, Danielle is happy at first but then, while talking on the phone with her friend, the sadness in her friend's voice causes Danielle's mood to change from happy to sad. We can see that Danielle friend's sadness triggered feelings of sadness in Danielle too. Therefore, this change in mood resulting from the tone of her friend's voice is called Emotional contagion.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.