The answer is
the earth, rock forms, and strata
It was the planet Venus that made the spacecraft Magellan enable the scientists to make an extensive research. The spacecraft Magellan was a robotic space probe that was launched to observe the planet Venus and calculate the gravitational field of the planet.
Answer: A higher dependency ratio is likely to reduce productivity growth. A growth in the non-productive population will diminish productive capacity and could lead to a lower long-run trend rate of economic growth.
