Answer:
Lipids:
Lipids may be defined as the class of organic compounds that are either fatty acids or their derivatives. Lipids mainly composed of a glycerol molecule, long hydrocarbon chains and a phosphate or other chemical group. The main function of lipids are: They acts as energy fuel and acts as a main constituent of plasma membrane.
Starches
Starch may be defined as a type of carbohydrate and present in plants as well as animal. Starch mainly composed of large glucose units linked through the glycosidic bonds. The main function of starch is to provide energy to an organism.
Answer:
the answer is differences in heating = C
Explanation:
4 Compare the composition of the rock sample with other rock samples of know age
The conifers, which are woody plants consisting mostly of evergreen trees, make up the phylum Coniferophyta, one of four phyla of gymnosperms that have living representatives.
Carbon, hydrogen, oxygen, phosphorus and nitrogen.