Answer:
Option (2).
Explanation:
The classification of the animals are done on the basis of similarity and differences among the individuals. The system of classification was first explained by Linnaean classification.
The most inclusive of the taxonomy level is kingdom that includes in the plants and animals in the separate kingdom. From the kingdom they are further classified into phylum then into the class, family and order. After the order the organisms are further classified into genus and the species is the least inclusive level of taxonomy.
Thus, the correct answer is option (2).
I believe the answer is A, Ray crystallography
The Purpose Cellular Respiration. Cellular respiration is the processby which cells in plants and animals break down sugar and turn it into energy, which is then used to perform work at the cellular level. The purpose of cellular respiration is simple: it provides cells with the energy they need to function. - According to the website I went too. So I'm guessing it's "Produce usable energy - ATP". I hope this helped you! Good luck.
yes i m agree with that Pure substances include only single atoms made of one element.
in chemistry , a pure substance that has only one kind of atom and cannot be broken into two or more simpler substance by physical or chemical means is an element . for ex. gold , silver , iron etc
