C is the correct answer. When the country’s population decreases its birth and death both decreases.
The answer is high pressure. In a nuclear reaction process, high temperature and high pressure is required for turning hydrogen nuclei into a helium nucleus. It is impossible for it to happen simultaneously because it requires tremendous amounts of energy. Extreme conditions are required for the atoms to overcome electrostatic repulsion.
Answer:
structured, because it is charts and diagrams
It is a circle with a ring around it