Humus
A. helps to form pores that help aerate the soil.
B. decreases the pH of the soil.
C. is formed from organic matter.
D. All of the statements are correct.
Answer: D
Environmental & Atmospheric Sciences
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Population size is increased by
A. births. B. deaths. C. indicator species. D. colonization. E. emigration.
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What is the mass of BaCl2 in a 0.250 L bottle of 0.200 M BaCl2?
A) 5.21 g B) 10.4 g C) 41.7 g D) 52.1 g
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Walden Pond continues to be the classic example of the benefits of environmental preservation
Indicate whether this statement is true or false.
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How was apartheid implemented in a geographic sense? In other words, what places were specifically targeted by apartheid policies?
What will be an ideal response?
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