Can you add more information to this question?
The four inner planets share several features in common.
(Mercury, Venus, Earth and Mars)
They are called terrestrial planets because they have solid, rocky surfaces roughly similar to desert and mountainous areas on the earth.
Well she drove 30 more miles to the east than the west but I don’t understand what u are asking
Answer:
they are used in periscopes,for signalling,in kaleidoscopes,to see round dangerous bends
Explanation:
A heat engine is a device that uses heat to produce useful work.