Why has the acidity of the ocean increased over the years? A. Sediment deposits cannot replenish quick enough in order to affect the acidity

B. Not enough basic solutions in the ocean

C. Waste from ocean life

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.