The answer is D because the layers all the way at the bottom had to be there for other layers to be built on top
The virus that infect bacteria are called bacteriophage ! Hope this helps! :)
Oceans, Seas, and bodies of fresh water
Explanation:
1 Protection
2. Not getting caught for a few years
3 Deployment of Supervisors by the Government
True.
The earth is made of several subsystems or spheres that interact to form a complex and continuously changing (dynamic) state that is termed as the earth system.
Even though the earth system is a closed system, it self regulates through the subsystems such as the water cycle and carbon cycle.
The earth system is characterized by numerous overlapping cycles in which matter is recycled over and over again. Cycles involve multiple spheres and systems interactions. Humans impact and are impacted by the cycles in various ways.