Answer:
The first one is the second one, and the second one is the third one.
Explanation:
It rains, water moves and erodes the land and creates valleys and rivers.
T-cells are a type of white blood cell that circulate around our bodies, scanning for cellular abnormalities and infections.
Research has demonstrated that people will help in-group members because they have feelings of empathy.
<h3>What is empathy?</h3>
Empathy is an emotion that helps people to understand the situation in which another person lives.
Empathy also helps to develop healthy groups and communities and it is an evolutionary feature.
In conclusion, research has demonstrated that people will help in-group members because they have feelings of empathy.
Learn more about empathy here:
brainly.com/question/16253958
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