Hello!
The ridge of till is called "terminal moraine". Letter c). The terminal moraine is a type of moraine that mark the maximum advance point of the edge of a glacier.
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If you have choices, it would be really helpful if you'd include them with your question, but I'd say
More than half of the forests in the Czech Republic have been destroyed by pollution.
Answer: Bassically, certain gasses like CO2 (Carbon Dioxide) that come from stuff like burning fossil fuels and global warming, they heat up the earth, are wastes and are used as fuel.
Answer: habitat change, climate change, invasive species, overexploitation, and pollution
Explanation:
