120 minutes=2 hours
20/2= 10mph
I don’t know what book you’re talking about so I can’t help but have a look online, you may be able to find it if you search up the book name and look around a few websites
3, protons are positive and there are 3 positive atoms visible
The inner planets are not colder or larger than the outer ones,
and they're not comprised of gas.
The inner planets are the ones that are made of rock. ( D ).
The answer for this question should be TRUE