Answer: Bottom layer of rock
Explanation:
The bottom layer is the layer of the deposition of the sediments in which sedimentation and cementation occurs to form the rocks. These rocks are formed at the lowest horizon of the soil profile. These rocks are also called bedrocks. The layer present above the rock are younger and the layer at the top is the youngest layer. The older layer at the bottom and the younger layer at the top. This phenomena is called law of superimposition.
In the soil, some ______ convert nitrogen to a form that can be used by plants.
prokaryotes
1. Virus attaches to the bacterium
2. Virus injects into the bacterium
3. Viral DNA uses cellular machinery to reproduce itself
4. Compounds of the viral proteins coat are reproduced from genes in the viral DNA
5. Viral particles self assemble into new viruses
6.Viruses burst out, killing the host cell
Domain Bacteria
-prokaryotic
-unicellular
Domain Archea
-prokaryotic
-unicellular
Domain Eukarya -protista( Multiple kingdoms, kingdom animalia, kingdom fungi, kingdom plantae)
-eukaryotic
-uni or multicellular
Photosynthesis is an endothermic reaction. It absorbs heat.
Respiration releases energy. It is an exothermic reaction
Ans: A
