Substitution I believe is the right answer but I never learned identity property
The most familiar and common drainage pattern is dendritic, its name comes from its resemblance to a dendrite, ramifications of the neurons, this term is used for any form that is subdivided, such as the branches of a tree, the veins of leaves, or human beings , or the pattern of sewer system, they all are dendritic.
Slow or stop spending incase of unemployment.
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
