I believe that the answe is c
Answer- b
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.
Marine geologist or geological oceanographers
The tiny, solid particles you find in the atmosphere serve as cloud condensation nuclei.
You see, in order for water to condense, the water must have a direct object, grammatically speaking.
<span>Your answer: Tiny, solid particles in the atmosphere play a role in cloud formation by providing the object upon which water may condense to form clouds.</span>