Biology, 05.04.2021 16:20, angelaencinas90
Which of the following best describes topsoil?
A.
Topsoil is made entirely of minerals weathered from the underlying parent material.
B.
Topsoil is made entirely of decomposed organic remains.
C.
Topsoil is made of humus and mineral particles weathered from the soil's parent material.
D.
Topsoil is made of humus and clay minerals washed down from the layer above the topsoil.
Answers: 2
Biology, 22.06.2019 16:30, kalebbenton15
The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?
Answers: 3
Biology, 22.06.2019 18:00, Miloflippin9766
Try to answer all questions if possible i will take anything this is worth 21 ! ! 1. what rights do citizen's have in a monarchy? 2. what countries practice monarchy? 3. what is one advantage of a monarchy? 4. what is one disadvantage of a monarchy? 5. what rights do citizen's have in a dictatorship? 6. what countries practice dictatorship? 7. what is one advantage of dictatorship? 8. what is one disadvantage of dictatorship?
Answers: 3
Which of the following best describes topsoil?
A.
Topsoil is made entirely of minerals weath...
Topsoil is made entirely of minerals weath...
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