Final answer:
Leonardo da Vinci's contributions to technology include precise observations of human anatomy, designs for space travel, and his engineering and scientific notebooks.
Step-by-step explanation:
Leonardo da Vinci's contributions to technology include precise observations of human anatomy, designs for space travel, and his engineering and scientific notebooks.
Although da Vinci was a prolific observer of the natural world, including making detailed observations of the moon and studying the formations of the continents, these specific areas of study were not considered his direct contributions to technology.