Name four properties of Venus that are different from those of Earth today.a. Low-density crust and mantle; very strong magnetic fields producing flares; much cooler surface; complete cover by ice and water.b. Very slow, retrograde rotation; no magnetic field; much cooler surface; complete cover by ice and water.c. Low-density crust and mantle; very strong magnetic fields producing flares; very dense and hot atmosphere of mostly CO2; no surface water.d. Very slow, retrograde rotation; no magnetic field; very dense and hot atmosphere of mostly CO2; no surface water.

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