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:
Convection currents drive the movement of Earth's rigid tectonic plates in the planet's fluid molten mantle. In places where convection currents rise up towards the crust's surface, tectonic plates move away from each other in a process known as seafloor spreading.
Explanation:
The correct answer is - rain forest protection.
One of the biggest environmental concerns in the Central American region is the protection of the tropical rain forests. Even though Central America is a relatively small region, it has an abundance of rain forests, but as the years pass by, there's major environmental concerns about their well being, and even about their existence.
Central America is in general a poor region with lot of problems, and unfortunately, when the people don't have it easy, they don't seem to care about the environment, especially if they see it as a source of income. The concerns are becoming bigger and bigger about the rain forests because more and more area is cleared out so that the land can be used for agriculture. Also the poaching of exotic animals, as well as the selling of high quality timber on the black market, are making a huge problem in the protection of the rain forests.
Answer:
$10
Explanation:
Given data
A phone costs $50
Discount = 20% off
Although we have no set of options to choose from, here is the Answer
Let us compute the discounted amount
= 20/100*50
=0.2*50
=$10
Hence the amount that was discounted is $10
