Answer:B. Children's sharing behavior may improve with the simple passage of time.
Explanation:Internal and external validity makes the research trustworthy and meaningful.
Internal validity refers to when cause and effect relationship of a treatment and outcome can be trusted.Internal validity also occurs when there is no alternative explanation for a finding.
This means you have to be sure that there are no other factors in play with your research that everything is a result of what you have put to the research and nothing else.
Internal validity is then how confident one is to the result of the research.
Answer: economic growth
Explanation: Economic growth is an increase in the capacity of an economy to produce goods and services, compared from one period of time to another. It can be measured in nominal or real terms, and the factors that influenced economic growth are human resources, physical capital, natural resources and technology. Furthermore, to determine economic growth, the GDP is compared to the population, also know as the per capita income.
Answer: The US dollar decreased in value during those months.
Explanation: Mark me as brainliest
Answer: True
Explanation:
Almost two decades and after the fall of communism and some eastern European countries are still struggling to establish stable democracy.
