Which substance acts as a buffer in natural water?

A. Sulfuric avid

B. Distilled water

C. Decomposing animal matter

D. A pH indicator

Describe the division of the geologic time scale using terms eon epoch and period

Why is the cell membrane sometimes referred to as a fluid mosaic? what part of the cell membrane acts like a fluid? and what makes it a mosaic?

Which organ system of the body is responsible for removing foreign substances from the blood and aiding in fat absorption?

What is the most reliable source of dietary fluoride?

Why is water vital to maintaining a constant internal environment? A. It is cohesive B. It is adhesive C. It is a good solvent D. It has a high specific heat

3. Which is not a major component of natural gas? A hydrogen sulfide B carbon monoxide c methane D propane

On a submarine expedition to the ocean bottom, you discover a population of fish that are only female. What type of reproduction does this fish most likely use? a. sexual b. budding c. cloning d. parthenogenesis

4. Which of the following might be included in an ecological community Select all that apply. A) plants and animals b) multiple organisms C) abiotic factors d) multiple ecosystems e) a water source f) multiple populations

Protein is found in plant and animal products. a. True b. False

During dna replication a. one template strand must be degraded to allow the other strand to be copied. b. the template strands must separate so that both can be copied. c.