Both organs are made up if several kinds of tissues. :D
Answer: NSF International
Explanation:
Loss of habitat from any number of causes is the main reason for species endangerment currently.
Elements pass from one organism to another and among parts of the biosphere through closed loops called biogeochemical cycles, which are powered by the flow of energy.
The correct answers are 2. arid climate and 4. oil resources
The climate always causes environmental climate, especially arid one, while oil both extraction and production creates environmental problems.
