A small pebble one large boulder start at the same height and begin rolling down the side of a mountain. Which object would have less kinetic energy as it craches on the rode at the botton of the mountain

No because scientist are still changing there mines today so they are not correct to this day

We can infer that star y is closer but other factors must be considered including the heat of the star, the mass, and the brightness of the star. even though star x seems dimmer it may just be less bright or contain less heat.

The answer is d, you can easily test a theory! hope i you : )