Answer:
The correct option is A. they evolved from land mammals.
Explanation:
Evolution can be described as a process through which organisms in a species change over a period of time due to the natural selection of the environment. Those organisms that have many similarities in their functions or structures are considered closer to one another and have the same common ancestors.
The properties mentioned in the question about cetaceans resembles the properties of land mammals. For example, cetaceans lack gills and breathe air. Land mammals also do not have gills and need to respire for living. The cetaceans have fin bones which are similar to the limb bones in the land mammals. Hence, these observations show that cetaceas have evolved from land mammals.
An enzyme found in deep ocean organisms that allows them to grow.
Erosion........................
Answer:
The world's population is expected to increase by 2 billion persons in the next 30 years, from 7.7 billion currently to 9.7 billion in 2050, according to a new United Nations report launched today.
Explanation:Hope this helps :3
Answer:
The correct option is <em>D. computer forensics</em>
Explanation:
In forensics, computer forensics s a term which refers to any evidence or clue which is stored in digital devices like computers etc. The digital media is examined to identify and analyze the evidence or clues of a crime. The method of computer forensics has been used to solve many high profile crimes.
Many techniques are set up under computer forensics to gather all the data which is needed. Even the recovery of deleted data has been made possible due to computer forensics.
