Seven continents - Africa, Antarctica, Asia, Australia/Oceania, Europe, North America, and South America
A magma's viscosity is directly related to its
SILICA CONTENT
I believe its true, i'm not entirely sure.
Answer:
Correct answer is Wegener had no compelling mechanism to explain what would cause the continents to move.
Explanation:
A is not correct as through his researches he presented his theory to other scientist.
B is not correct as Wegener was very educated, and was even even working as a professor at University.
C is correct that although he presented his theory, he couldn't explain totally how it happened.
D is not correct as during his lifetime his theory wasn't widely accepted. That happened 20 years after his death.
