A resident of _ is likely to leave the largest ecological footprint

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

What organelle other than the nucleus houses dna in a eukaryotic cell?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above