Which factor or factors are responsible for the timing and severity of the numerous ice ages that occurred over the past 800,000 years?

Explanation:

This question has asked that we give the factors that are responsible for the timing and severity of numerous ice ages that has occured over a period of 800,000 years

These factors are

1. solar radiation interaction,

2. Existing distance between the earth and the sun,

3. The height of continents and there positions,

4. Composition in the atmosphere

5. and circulation of the ocean.

the dark variety, as they are not visible on the dark tree barks

explanation:

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.