True. if the choices are true and false. Hope this helps
The creators of the theory could not find a way to answer the question "What force was strong enough to move them?". Another reason why was that they proposed a movement speed of the continents that was incredibly high and impossible to reach.
Answer:
1. uncountable noun. You can use stuff to refer to things such as a substance, a collection of things, events, or ideas, or the contents of something in a general way without mentioning the thing itself by name. [informal] I'd like some coffee, and I don't object to the powdered stuff if it's all you've got.
Older glaciers have "longer" ice crystals than younger glaciers. Glacier from where there is more snow falls than snow melts, over a period of years. It is then compacted into ice. The longer the glacier is the older it is.
