Answer:
C. Earthquake
Explanation:
Han dynasty was known as one of the most devastating period in Chinese agricultural history. The country experiences series of natural disasters that destroyed a lot of Their agricultural lands.
It started from deforestation ordered by the empire in order to make various equipment's and infrastructure for the military's.
Trees have the ability prevent sediment runoff which can hold a huge amount of water. During the period of heavy rain, the amount of water that can usually sustained by the forest were let loose and came down to the citizens' resident. Destroying a lof of their farms in the process.
After that, the han dynasty had to deal with the exact opposite situation, when the country undergone some period of drought when very little rainfall happen. This also caused a lot of crop failures due to inability to fulfill the crops' water needs.
The variable that a scientist observes to change while conducting an experiment is called the responding variable
.
The responding variable (also called dependent variable) is the variable that a scientist observes to change while conducting a scientific experiment. The responding variable depends on the independent variable (also called manipulated variable). When the independent variable is changed by the scientist, its effect on the responding variable is usually observed and recorded. Responding variables can be observed (such as taste) or measured (such as length) in an experiment.
Values means the objective beliefs that are defined by each professional organization to guide our personal and professional decisions.
<h3>What is a
Values?</h3>
This refers to those guiding principles in a firm that helps to provide purpose and direction for its employees,
Hence, its means the objective beliefs that are defined by each professional organization to guide our personal and professional decisions.
Therefore, the Option A is correct.
Read more about Values
<em>brainly.com/question/11546044</em>
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