What climate is characterized by a lack of warm summers with an average temperature of less than 10 °c, and covers over 20% of the earth?

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

What is the difference between an igneous, sedimentary and metamorphic rock

Which direction does the energy flow in this energy pyramid ?