What is the capital of antigua and barbuda?

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Based on what you know about speed of light and sound, which come/comes first in a thunderstorm

Aside from english, what other language is widely spoken in canada?