Answer: Indeed, one of the best I've seen!
Explanation:
Are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels around the sun
Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. This explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. These prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast.
a because the marble changed its position quickly meaning that it was in motion
According to my research it’s C: Nucleus