Unlike toads, tortoises
a. have amniotic eggs.
b. have lungs.
c. have true bone.
d. have jaws and paired appendages.

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.

Any sound above what db can cause hearing loss in human beings

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles