occupational structure is the distribution of profession or jobs to the people in a society according to their social status, education etc.
Answer:
1. Participants are randomly assigned to intervention or control
Explanation:
Quasi-experimental study -
It is the study to estimate the impact of an intervention on the target population with any random assignment .
This Quasi-experimental research shares , the similarities with the randomized controlled trial or the traditional experimental design .
But in this study , there is random assignment for the control or treatment .
Hence , from the options given in the question , the correct is ( 1 ) .
All of these affect it in some way
Answer:
Equinox
Twice during the year when Earth's poles are not pointed toward or away from the Sun. At this time, the direct rays of the sun strike the equator and both poles are at a 90 degree angle from the Sun. both hemispheres receive an equal amount of sunlight-12 hours each .
Earth has four main systems, or spheres. These systems are the geosphere, hydrosphere, atmosphere, and biosphere.