Which type or types of rock can become metamorphic rock? a. only sedimentary rocks b. metamorphic and igneous rocks c. igneous and sedimentary rocks d. igneous, sedimentary, and metamorphic rocks i am really postive it is a

Describe how an electric generator works

Which of the following is an example of a tissue on the digestive system a. the stomach b. smooth muscle that lines the stomach c. nerve cells in the stomach d. enzyme molecules in the stomach

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.