How to tell if 2 genes are linked based on ratios.

Are substances released into the environment that in excess amounts cause damage

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms