In an ecosystem with a complete vegetation cover (canopy), competition among plants will most likely be for:
A. carbon dioxide.
B. nutrients.
C. light.
D. water.
Answer: C
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Referring to following figure, a medium-duty truck with an automatic transmission is reported to not crank. Which of these steps should be performed first to troubleshoot the cause?
A. Connect booster batteries and attempt to jump-start. B. Check for loose electrical connections. C. Verify the concern; attempt to crank the engine. D. Jumper the neutral start switch since they typically fail.
When the power factor of the plant is 1.0 (unity), the kilovarmeter reads ____.
A. 0 B. 50 C. 100 D. infinity
The most successful American military action during the Spanish-American War was largely due to
A. the incompetence of Spanish military forces. B. effective collaboration between U.S. forces and Cuban and Filipino rebels. C. the strategic skill of U.S. military leadership. D. the efficient logistical support for U.S. forces provided by the War Department. E. effective use of the new steel navy.
Are there any disadvantages to using peat moss in potting media?
What will be an ideal response?