In terms of communication, information is expressed either as the content of a message or through direct or indirect observation. That which is perceived can be construed as a message in its own right, and in that sense, information is always conveyed as the content of a message.
Information can be encoded into various forms for transmission and interpretation (for example, information may be encoded into a sequence of signs, or transmitted via a signal). It can also be encrypted for safe storage and communication.
Answer - Traces of fossil that are left and preserved to be seen are
Leaves, Seeds, Animal body parts, Teeth, Bones.
Answer: 1.6 x 10^-17
Explanation: that's the answer
Scientists can determine the age of the tree based on how many rings are in the trunk of the tree
Answer: An observational study where lifespan is the explanatory variable.
Explanation: