Descriptive investigations involve collecting data about a system, but not making tests or experiments.
Making tests belongs to experimental investigations.
Descriptive investigations aim to draw conclusions from observations of the fenomena, while experimental investigations design tests that let the researcher to compare results on different conditions with a control situation.
There is also the so called comparative investigations which collect data from under different conditions but do not include the control situtation.
They traveled over the ice bridge from modern day Russia to modern day Alaska, and migrated from there some 10-11 thousand years ago is what is what is commonly accepted today.
The answer is "homophily".
Homophily refers to the inclination of people to partner and bond with comparative others. The presence of homophily has been found in an immense range of system considers.People in homophilic connections share regular attributes (convictions, values, training, and so forth.) that make correspondence and relationship arrangement simpler. The inverse of homophily is heterophily.
The primary focus of a political party would be b. elect a person.
Serve the function of advocating social justice. This concept was born from the need to provide social equity; all must have social equity, labor, economic and health opportunities. Governments are responsible entities to provide social justice.
I hope this information can h