Environmental Science
The north-facing side of a hill in a mountainous region in the US tends to:

Have snow on the ground for a longer period of time in winter compared to the south-facing side
Grow a variety of trees that are typically observed at higher elevation
All of these
Receive less sunlight during a year than the south-facing side
Be a better location for a ski run than the south-facing side

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Environmental Science
Which of the following statements regarding species interdependence are true? A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis

B and C only
A and C only
B and D only
A and B only
C and D only

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