*Question*
Q: Transport epithelia that function in maintaining water balance also often function in disposal of what? Read this paragraph and choose the correct option from the provided answers: Choices: - bacteria - absorption wastes - organisms wastes - metabolic wastes A:
**Answer**
metabolic wastes

*Question*
Q: What is the term for the remains or traces of living organisms? Read this paragraph and choose the correct option from the provided answers: Fossils are the remains or traces of living organisms. Choices: - remains - ethings - deposits - fossils A:
**Answer**
fossils

*Question*
Q: What preventative measure is often delivered by injection into the arm? Read this paragraph and choose the correct option from the provided answers: Figure 42.18 Vaccines are often delivered by injection into the arm. (credit: U. Navy Photographer's Mate Airman Apprentice Christopher D. Blachly). Choices: - medication - anesthesia - infection - vaccine A:
**Answer**
vaccine

*Question*
Q: What is the major source of warmth for earth? Read this paragraph and choose the correct option from the provided answers: Earth is warmed by energy that radiates from the sun. Earth radiates some of the energy back into space. Greenhouse gases (GHGs) trap much of the re-radiated energy, causing an increase in the temperature of the atmosphere close to the surface. Choices: - the Moon - seasons - equator - the sun A:
**Answer**
the sun