ANSWER FAST Most organisms carry out cellular respiration. Which of the following best describes cellular respiration?
A. process in which organisms release oxygen to the air
B. process in which humans take in oxygen from the air
C. a mechanical in which humans take in oxygen from the air
D. chemical process in which cells use oxygen to release energy from food

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.