Wet are the inner planets called terrestrial planets

What are the terrestrial inner planets?

Terrestrial planets are planets made up of rocks or metals with a hard surface — making them different from other planets that lack a solid surface. ... There are four terrestrial planets in our solar system, which also happen to be the four closest to the sun: Mercury, Venus, Earth and Mars.

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the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

golgi body just took the test on edge