Answer:
28 true. Humus: the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
29 false, Soil organic matter is the fraction of the soil that consists of plant or animal tissue in various stages of breakdown (decomposition). Most of our productive agricultural soils have between 3 and 6% organic matter. Soil organic matter contributes to soil productivity in many different ways.
Answer:
A fact is an item of knowledge, that is, a true belief that we are justified in believing as true. So by definition, a fact cannot be false. If a fact that was thought to be true is later found to be false, it is no longer a fact.
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Answer: The time traveller has been driven insane by visiting other times
The Time Traveller has returned to his own time, but can barely put a sentence together. It seems that he is struggling with his words and his thoughts and cannot tell if all of his adventures really happened or if he might have just imagined them. His travel is confirmed though, when they walk through the house and find the actual time machine.
Explanation:
Answer:
Individually, if studying.
In a group, if doing a project, works, and etc.
It will be fun doing work together.