Do either Venus or Mars have composite volcanoes? Why or why not?
a. Venus has some composite volcanoes because of large currents of magma beneath the crust. Mars has only shield volcanoes because tectonics on Mars does not occur.
b. Mars has some composite volcanoes because of its great shield volcano explosions. Venus has only shield volcanoes because of its low-density crust.
c. Yes, volcanoes on Venus and Mars are higher, wider and have the composite structure because of repeated eruptions at the same place.
d. Mars and Venus only have shield volcanoes. Geological processes are vertical on these planets, and plate tectonics and significant horizontal crust motion do not occur.
Ans: d. Mars and Venus only have shield volcanoes. Geological processes are vertical on these planets, and plate tectonics and significant horizontal crust motion do not occur.
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