(Question)
Q: What is in the soil that causes mars to look red? Choices: - carbon - garnet - sand - iron A:
(Answer)
iron

(Question)
Q: The cell membrane consists of two adjacent layers of what? Choices: - lecithin - membranes - eukaryotes - phospholipids A:
(Answer)
phospholipids

(Question)
Q: What term is defined as the preserved remains or traces of organisms that lived during earlier ages? Choices: - bones - waste - deposits - fossils A:
(Answer)
fossils