Answer:
<u>Ecological systems</u> are complex systems that have various sub systems acting under them.
Explanation:
Earth is made up of a complex of systems known as the Geo ecosystems this ecosystem is a dynamic entity in itself as various Biological realms are present in earth ecosystem that is composed of water, marine, forest and other ecological systems that tend to sustain itself if there is any break in this system or there is any sort of disequilibrium in energy flow the changes in one ecosystem can have negative impacts on other ecosystems. Likewise, humans can also and have disturbed or modified the ecosystems according to their needs. As these interactions are governed by a set of feedback mechanisms. For example the natural disasters like hurricanes, cyclone, and other climatic disasters.
Answer:
Numerical time is absolute while relative is compared.
Explanation:
Numerical time is essentially the age of an object. Numerical time is also called absolute time because the age is given as a number that expresses (usually) how many years old it is.
Relative time, rather than give an age, places a rock or rock layer in a category based on how it fits into Earth's evolutionary history as a planet and the fossil record.
<span>d)cultural diffusion, because people mix and exchange ideas and beliefs.
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