Why are lichen and moss called soil farmers

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

What will happen if deforestation continue to destroy the green plant on the planet

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d