Answer:
water
Explanation:
The most important environmental factor in early human settlement was water. Physical features like rivers, lakes, and inland seas were good sources of fresh water.
Answer:
amount of aggressive behavior exhibited by the children
Explanation:
Dependent variable: In psychological or scientific research, the term dependent variable is defined as a variable being used in an experiment is the one that is being tested or modified by an experimenter.
In an experiment, a dependent variable is the one that is exposed to get affected by the independent variable i.e, any changes in the independent variable will cause a direct effect or change in the dependent variable.
In the question above, the dependent variable in the experiment is the amount of aggressive behavior exhibited by the children.
Answer:
- decline in infant mortality
- increased life expectancy
- better health care
- more knowledge about diseases
Explanation:
Over the past one hundred years the global population exploded, experiencing rapid growth. This mostly happened after the end of the World War II. There a re multiple reasons why this has happened, like lack of major wars, improvements in the medical field, improvements in the technology, better living conditions etc. The improvements in the medical field seem to be the detrimental factor, as it managed to significantly reduce the number of infant deaths, the diseases started to be regulated or eliminated, and it contributed to much better quality of life for the people, as well as prolonging their lives by almost twice more.
