Who taught Amerigo Vespucci how to sail?

What is a light receptor? What is an organic gas used in Anaesthesia? What moons have ice? Have there been hurricanes south of the equator? What goes after producers in a food web? Why do yeast cells switch from aerobic to anaerobic respiration in the process of making ethanol? When animals eat a variety of plants? Does C plus O2 precipitate reaction? When water melts from a ice cube it changes from a? How many amps is equal to 1 kilo volt amp? If G-5 equals -9 what is G? What is The temperature most commonly taken as room temperature in scientific discussions is about? What life forms dominated the early middle and late parts of the Paleozoic era? Why is the cell membrane sometimes referred to as a mosaic what part of the cell membrane acts like a fluid and what makes it like a mosaic? What time is 9am EST equal to Mali time? Compared to Eukaryotes Prokaryotes generally have what kind of genomes? What is the phylum for plants? Who is responsible for receiving and storing supplies? What organelle contains a plant cell's thylakoids stroma and grana and chlorophyll? What the scientific investigation?