Which sentence describes deposition changing the surface of Earth? A. A river breaks away rocks to form a canyon.
B. Lava from a volcano cools to form an island.
C. A delta is formed as a river flows into an ocean.
D. A mountain range is formed as tectonic plates collide.

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

The identities of substances are the same before and after which type of change