What are the basic structural units of living organisms? a cells b nuclei c tissues d organs

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?