Answer: Soil provides ecosystem services critical for life: soil acts as a water filter and a growing medium; provides habitat for billions of organisms, contributing to biodiversity; and supplies most of the antibiotics used to fight diseases.
Explanation: Tell three ways that soil is important and for each explains why it is important in that way.
Two primary techniques to identify use cases are USER GOAL TECHNIQUE AND EVENT DECOMPOSITION.
Use case refers to an activity which a system perform as a result of the request input by a user.
User goal technique is used to determine the specific goal that must be perform by the system for the user; user goal technique identify all the users of the system and their goals for using the system.
The event decomposition is used to determine the event to which the system must respond.<span />
Answer:
A
Explanation:
Photosynthesis produces carbon dioxide, while cellular respiration produces oxygen
Answer:
One major way it gets back into the atmosphere is by humans burning it in coal power plants
Explanation:
Answer:
Natural selection
Explanation:
this is where the term "survival of the fittest" comes from. The toughest survive and make offspring and the weak don't.
