Which of the following is a region with steep undersea mountains and deep valleys?

continental margin

ocean basin floor

ocean ridge

ocean trench

Whats one way that rocks do not follow the typical rock cycle pathway?

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees