Earthworms have no lungs or gills. do they "breath"? if not how do they obtain oxygen to survive

Number and variety of living organism; includes genetic, species, and ecological types

If the temperature in an area drops five degrees between one day and the next, has the climate of the area changed? explain.

Pllsss read the following passage: molten rocks deep inside earth cool and form rock a. the shifting of tectonic plates exposes these rocks. wind and water break rock a into small pieces. these pieces are carried over long distances and deposited at a certain location. more and more small pieces of rocks collect in layers one over the other over a period of several years and finally form a single rock called rock b. which statement is most likely correct? rock b may have fossils. rock a may have sediments. rock b may be formed due to intense heat and pressure. rock a may be formed due to compacting and cementing.