Answer:
Soil taxonomy is the system of soil classification used for mapping and classifying soils by the National Cooperative Soil Survey in the United States; it is used in many other countries as well. ... It employs a unique mnemonic system based on Greek, Latin, or other root words for assigning names to taxonomic classes
Plants showing hydrotropism grow in response to water.
C. Combine with hemoglobin to form oxyhemoglobin
