The terrorists use several stolen self suicide bombs that makes their objective further.
In the ocean, it is colder in the deeper parts and warmer in the shallow parts.
The development of agriculture was set in motion by hitching animals to the plow. The correct option among all the options that are given in the question is the second option. At the beginning, people did not use animals for agricultural purpose, but with passing of time the utility of the animals for agriculture was understood and it made cultivation easy.
