<h3><u>Answer;</u></h3>
is a mixture of rock fragments, living organisms, and humus
<h3><u>Explanation;</u></h3>
- Topsoil refers to the top layer of soil that is high in organic matter and nutrients, formed by the slow weathering of rocks and decaying organic matter over thousands of years.
- Topsoil is made up of organic matter, microbes, water and insects that are all needed to ensure cycling.
- Topsoil is used as the medium for all plant growth, whether it is a lawn, garden or prairie.
Answer:
Explanation:
1.They dug down for 10 feet before they hit bedrock.
2. His religious beliefs are the bedrock on which his life is based.
They have different types of cell walls and cell membranes.
Its not c the correct answer would be the second on.
The distant galaxies we have seen are moving away from earth by the red shift the law that describes its expansion is Hubble's law. It is regarded as the main observational basis on enlargement of the world. and imitation to acquire the supportive evidence over big bang model. It states that galaxies are becoming extinct at a speed that is proportional to their distance.