Hello.
The most suitable answer is A) use of gold and C) portrayal of a story.
Byzantine artists are known for the use of gold in their sculptures in the backgrounds or it was used to highlight some aspects of the mosaics for example. Also, bizantine artists are known for their efforts to portray teological stories, and to insert imperial propaganda into their sculptures.
Hope this helps.
The effect of greenhouse gases on the Tundra ecosystem will cause Increased greenhouse gases will increase the overall average temperature of the region, resulting in the melting of the polar ice.
The tundra is a scientific term to refer to the polar geographic region characterized by:
- Low growing vegetation.
- Frozen subfloor.
- Absence of arboreal vegetation.
- Soils that are covered in moss, lichens, snow, or ice.
- In some places they are swampy.
This region is being affected by greenhouse gases because they heat the poles, cause a thaw, and the water level is rising making the tundra an exclusively marshy region.
Learn more in: brainly.com/question/2018762