The first shell has 2 in and the second shell has 8 in therefore ypuvwont need to add anymore :-) so the answer is 0
Answer:
Actions
Explanation:
if u mean what are these called then it's actions
All objects in orbit must follow the path of an ellipse (one of Keplers laws)
Radio Telescopes measures the galaxy's distribution of stars, galaxies, blackholes and other astronomical objects. It is used to study naturally -occuring radio light which is emitted by these astronomical bodies. Radio observatories are located far away from major cities to avoid electromagnetic interference from radio, televisions and radar.
Answer:
Look below
Explanation:
Units are very important. Let's say we were building an apartment. We used meters for every measurement except for 1 support where we used centimeters. This could lead to the collapse of the whole structure as the measurements were wrong. 100 meters and 100 centimeters are very different.
