Answer:
humus
Explanation:
Humus
<u>Humus is the amorphous organic matter in the soil .</u>
It affects the bulk density of the soil and contributes in the retension of the nutrients and moisture of the soil .
It mostly contains organic matter , and is naturally composed from dead and decaying plants and animals .
Humus is a dark color organic matter , and have many nutrients which nourishes and improves the heath of the soil .
The Earth gets its heat from the sun.
Answer:
Mafic minerals are usually dark in color and have relatively high specific gravities (greater than 3.0). ... Felsic minerals are usually light in color and have specific gravities less than 3.0. Common felsic minerals include quartz, muscovite mica, and the orthoclase feldspars.
Overall, authoritarian and single party states have the following characteristics in common: Little or no freedom of speech. No freedom of assembly-unable to hold meetings without the approval of the government. No freedom of movement-individuals need documents/internal passports to move around inside the country.
In California, there are a total of 264 four year colleges and universities.
