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

Q: What type of structures evolved to do the same job by unrelated organisms? Choices: - symmetrical structures - primal structures - dioxide structures - analogous structures A:
analogous structures

Q: The hormones epinephrine and norepinephrine are released by what? Choices: - uptake medulla - nutrients medulla - external medulla - adrenal medulla A:
adrenal medulla

Q: Dalton's law and henry's law both describe aspects of what type of exchange? Choices: - energy - electron - liquid - gas A:
gas