Who was the head of the Eastern Orthodox Church after the East-West Schism?

What contribution did the pilgrims make to the development of american government

Match the vocabulary word with its meaning. 1. gender a large-scale spread of a deadly disease 2. pandemic the development and use of machines, devices and ideas to further people's knowledge 3. technology the sex of a person, whether male or female

Mid to high level clouds that look like layered blankets are called