The gravitational pull of Earth is stronger in satellite A
<span>The support force is 15 N. The net force on the book is zero.</span>
Answer: a
Explanation: The color of a star is linked to its surface temperature. The hotter the star, the shorter the wavelength of light it will emit. The hottest ones are blue or blue-white, which are shorter wavelengths of light. Cooler ones are red or red-brown, which are longer wavelengths.
I think that numbers one, three, and four are true