Answer:
planet
Explanation:
planet and heavenly bodies orbit around the sun
A and C
<h2 /><h3>Life was more powerful than during the Warring States period and The silk road trading route increased trade</h3>
The correct answer is conducting a group observation and collecting qualitative data.
The cross-sectional study is defined by observational research, which analyzes data collected over a period of time. This research can be in a sample population or in a predefined subset. This type of study is also known as a cross-sectional study, cross-sectional study and prevalence study.
Answer: Gene-Environment Correlations
Explanation: Gene-environment correlations occus when an individual's genotype determine their exposure to extrinsic or environmental conditions.
However, when two traits (e.g weight and height) correlates in an individual, it results to a simultaneous change in the both.
There are three types of Gene-environment correlations in individuals. They include passive gene-environment (caused by union between genotype inherited by a baby from his or her parents and the environment), active gene-environment (which happens when an individual possesses a heritable inclination to determine its exposure to the environment), and evocative gene-environment (which occurs when an individual's (heritable) behavior initiate a response to the environment).
