Environmental Science
Mycorrhiza represents

Parasitic association between a fungus and an alga
Symbiotic association between a fungus and liverworts
Symbiotic association between a fungus and roots of higher plants
Parasitic association between a fungus and roots of plants

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Environmental Science
The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:

Cooler summers and milder winters than at present
No appreciable change from present conditions
Hotter summers and colder winters than at present
Hotter summers and milder winters than at present
Cooler summers and colder winters than at present

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