Q: A problem with using food chains to describe ecosystems is that some organisms can feed on or be consumed by species from more than one of what level? Choices: - biome level - habitat level - pH level - trophic level A:
trophic level

Q: What type of rain dissolves and damages stone buildings and statues? Choices: - plastic rain - morning rain - stored rain - acid rain A:
acid rain

Q: Q: What is it called when something is unable to move from place to place? Choices: - Undrate - obovate - ovate - sessile A:
A: sessile

Question: Q: Potassium, calcium, and magnesium are considered what kind of nutrients? Choices: - micronutrients - minor nutrients - major nutrients - macronutrients A:
Answer: macronutrients

*Question*
Q: What does continental crust grade into at continental margins? Choices: - ocean floor - storm crust - remnants crust - oceanic crust A:
**Answer**
oceanic crust

(Q).
Q: What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization? Choices: - forests - fossils - gas - hydrocarbons A:
(A).
hydrocarbons