Which weathering process involves physical forces but not chemical reactions or dissolving of minerals?

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid