The matter and energy laws tell us that we can recycle ____.
A. both matter and energy
B. neither matter nor energy
C. matter but not energy
D. energy but not matter
E. nothing and everything
Answer: C
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_________ anchor plants to the ground, and ________ are the site of most of the photosynthesis in plants.
A. Roots; leaves B. Roots; stomata C. Shoots; leaves D. Stems; leaves
Earth's axial alignment varies throughout the year
Indicate whether the statement is true or false
After the center of a mature wave cyclone passes, you should expect ________
A) barometric pressure to remain steady B) barometric pressure to fall C) barometric pressure to rise D) warmer temperatures
What is one barrier that makes it difficult for scientists to forecast environmental changes?
A) the certainties of ecosystem function that humans ignore B) the diversity of views based on cultural and religious differences C) environmental conflict that leads to ecosystem sustainability D) unpredictable behavior of ecosystems that cause unpredicted environmental changes E) simplicity of ecosystems