What has to be true about available resources for competition to exist?

For competition to exist within a population or between population, shared or common resources that organisms holds very important must be very limited and scared. Competition is a struggle between organisms for limited resources in the ecosystem.

Explanation:

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.

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