Which equation represents the formula for the speed of a wave? a. speed = wave length ÷ wave period b. speed = wave period ÷ wave length c. speed = wave height ÷ wave length d. speed = wave length ÷ (.5 × 3.14) × wave length e. miles per hour = kilometers per hour ÷ 2.35

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.

The negative impacts of nonnative species generally outweigh the positive impacts

Which of the following explains why a tree is often used as a model to represent the principle of common descent