What is the name for all physcial material in the universe

Why is it important that fibrin is insoluble in water?

What characteristic make legumes a good food source for food insecure populations

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.