The correct answer is by composition and texture. Composition is that minerals that the rock are made of. Texture refers to the grain size of the different components of that rock. Texture has to do with sizes of mineral grains and other constituents in a rock and how the sizes and shapes relate to each other.
Answer;
-Carbon
Explanation;
-Fossils are formed in a number of different ways, but most are formed when a plant or animal dies in a watery environment and is buried in mud and silt. They formed from organic remains of plants and animals that were converted into coal, oil or natural gas by exposure to heat and the pressure of the Earth’s crust over millions of years.
-Fossil fuels are hydrocarbons comprised primarily of the following elements: carbon and hydrogen and some sulfur, nitrogen, oxygen, and mineral matter. For example, Natural Gas and coal are made up of carbon, hydrogen, nitrogen, sulfur and oxygen. Oil, or petroleum, also consists of carbon, hydrogen, sulfur, oxygen and nitrogen, but it is in liquid form.
B, because that is in its chromosomes and dna, the others they get or figure out how to do it
Dissolving is when the solute breaks up from a larger crystal of molecules into much smaller groups or individual molecules. This break up is caused by coming into contact with the solvent. In the case of salt water, the water molecules break off salt molecules from the larger crystal lattice.