What is the main cause of increased erosion? a) strong winds b) flash floods c) human activity d) movement of glaciers

Wrong. It's human activity

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

my teacher would say no s