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.
Answer:
approximately 4.5 billion years ago
Explanation:
The process is called facilitated transport when molecules must join with another molecule, such as proteins, to get through a membrane.
