What role do fungi play in the formation of fertile soil?
A. They add air to soil.
B. They are a source of minerals.
C. They decompose organic material into compounds plants can use.
D. They carry out chemical reactions that convert carbon dioxide to nitrogen.
Answer: C
You might also like to view...
It is fair to say that logging in Papua New Guinea and the Solomon Islands
A. has been good for these countries economically since many workers are employed in the industry. B. is exploitive since the countries are paid a fraction of the value of the timber on world markets. C. has not met with much resistance from environmentalists. D. is being practiced sustainably as new trees are planted when forests are cut.
The fair-weather electric field
A) results in only a small voltage difference between the ionosphere and the surface. B) is maintained in large part through lightning. C) distributes much electricity to the ground because air is a good conductor. D) has its negative portion in the ionosphere.
What are Maroon societies and how do they provide a strong reflection of African roots in the Caribbean today?
What will be an ideal response?
Judge the following sentence according to the criteria given below: Transform faults do not generally generate tsunami BECAUSE the side-to-side movement of these faults does not change the volume of the ocean basin
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.