The Sun is at the center of our solar system. Based on distance, how would the Sun's size appear to an observer on Jupiter, compared to an observer on Earth? A) Bigger
B) the same size as seen on Earth
C) Smaller

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons