The correct answer is the mall directory.
Like nucleus that stores genetic material in the form of DNA, the directory of mall stores all the major information of the mall, that is, the directory tells each and every information of the mall.
Apart from storing hereditary material of the cell, that is, DNA, the nucleus also performs various activities of the cell that comprises intermediary metabolism, growth, reproduction, and protein synthesis. Only the eukaryotes exhibit a nucleus.
Islets of langerhans i believe
Answer:
Photosynthesis replace CO2 with O2 in the atmosphere. Plants prepare their food by this process.
The burning of hydrocarbon in the presence of O2 is called combustion.
CH4. + O2-----------> CO2. + H2O + Heat
Hydrocarbons undergo combustion.
Geology is yhe branch of science which deals with the study of earth. The person that studies geology is geologist.
Explanation:
