Brainliest for correct and clear answers

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Dan states that a certain layer of the sun is like the brightest street lamp in a city. which layer of the sun is dan referring to?

The four main spheres of the exterior of earth are the atmosphere, cryosphere, hydrosphere, and lithosphere anthrosphere, atmosphere, cryosphere, and biosphere atmosphere, lithosphere, biosphere, and hydrosphere atmosphere, lithosphere, biosphere, and gemosphere