Ascientist has discovered a new plant species in the amazon rainforest. she tells her fellow scientists that the plant she has found produces a cone. what might they say about how this plant is different from an angiosperm? a) its seeds have one or two cotyledons. b) its stems' vascular bundles are scattered. c) it does not depend on insect pollination. d) it is a seeded vascular plant.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

lichens that colonize bare rock secrete acids that break down the rock and start the soil-production process. so they expose rocks