Well, you need no look further than the word "terrestrial" If you notice the beginning of the word you notice that it consists mostly of the word "terra" Terra by definition is just land. Due to the solid land of these 4 planets, they're called terrestrial planets, the other 4 aren't made of land but of gas which is why they aren't classified as terrestrial planets.
the answer in my opinion would be A
Answer:
640 nanometer setara dengan 6.4e-7 meter
Answer:
the answer is b because it does not show evidence
