An organism that uses organic waste as a food <span>source</span>
Acid causes metals to corrode
Answer:
Nucleic acid
Explanation:
Lipid, carbohydrate, proteins are large insolubles that are broken down by enzymes, whereas hemoglobin is on the inside of red blood cells.
Hope this helps :)
It appears that some of the answer choices got cut off in the image. In any case, thermal energy would flow from a higher-temperature cube to a lower-temperature cube.
So the correct answer should be among the following formulations:
Cube #1 to Cube #3
Cube #2 to Cube #1
Cube #2 to Cube #4
Cube #4 to Cube #3.