different between challenges vs threats

challenges

challenges From the web:

• what challenges you
• what challenges do americans with disabilities face
• what challenges do squirrels face
• what challenges do immigrants face
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• what challenges have you overcome
• what challenges a person
• what challenges to do

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threats

threats From the web:

• what threats to romeo and juliet's love
• what threats do marine biomes face
• what threats do coral reefs face
• what threats do sea turtles face
• what threats do polar bears face
• what threats do bees face
• what threats do red pandas face
• what threats do tigers face