What is probably the most important factor in the health of most ecosystems?
A) the amount of calcium in the soil
B) the amount of potassium in the soil
C) availability of clean water
D) the length of daylight hours
E) how often hurricanes strike
Correct Answer:
Verified
Q85: Which are true of a hypothesis?
A) It
Q86: Which are true of a hypothesis?
A) It
Q87: Which of the following correctly lists the
Q88: Which of the following represents the longest
Q89: This figure shows the main subdivisions of
Q91: Which of the following parts of geologic
Q92: If a stream flow measures 12 meters
Q93: The formula to determine an object's average
Q94: Which of the following is NOT a
Q95: How does an observation become valid?
A) A
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