Answer: 4.5 light years
Example;Lets say that in the dinosaur days there was a star that exploded.
after 8 light years we would see it now. (now as in 2020) So thats why 4.5
light years is more then 150 million kilometers.
Due to decreased light penetration, B. THE MOUTH of the rivers and streams will have less diversity of plant life.
The decreased light penetration is brought about by the murkiness of the water due to numerous deposits of sediments. Sediments that have been collected at the water travels towards the mouth of the rivers and streams causes the water to be muddy and murky making it impossible for light to penetrate.
Answer:
As given below.
Explanation:
Title: Conserving and Recycling
Introduction - Conservation is an act of preserving and managing the resources of the earth for a sustainable future by preserving and allowing for the regeneration of potential.
- Organization's purpose and goals: To aim to recycle and reutilize resources.
- To aim to manage and reduce wastes. To aim to reorganize and monitor anthropogenic activities.
Types of events: City waste management.
Type of education: mitigation
Conservation policies: Use of three Rs and CSR.