What is true about plate tectonics? A. The plates are always moving, just too slow for us to feel most times.
B. The Earth’s core is cold.
C. The plates haven’t moved for over a million years.
D. Landforms like mountains, volcanoes, and valleys existed before the movement of the plates.

Which examples are relevant sources for students to use in research? check all that apply. a journal entry written by a professor who is considered an expert a report written by an independent government source a presentation by a company that includes paid information a document published by a renowned organization a scientific paper put out by a non-profit organization a blog whose author tries to sell a product or service