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Home Q & A Board Biology-Related Homework Help General Biology
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pch123 pch123
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6 years ago
Which is a single-layered, hollow ball of cells?
 
  a. cleavage
  b. fetus
  c. gastrula
  d. zygote
  e. blastula

Question 2

What is the inorganic soil constituent with the finest particles?
 
  a. clay
  b. gravel
  c. humus
  d. sand
  e. silt
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VickyhungVickyhung
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6 years ago
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pch123 Author
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#2
6 years ago
Brilliant
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