To ensure security, passwords should be
a. a combination of letters and numbers.
b. hard for you to remember.
c. kept near the main computer.
d. less than six characters long.

When you don’t understand a concept during the lecture, it’s to flag it in your notes and leave a blank space so you can fill in more

Write 3 sentences about an animal of your choice

What task did the surveyors do? a. they studied the landscape to determine the most direct route for building a road. b. they designed treadmills that lifted blocks of stone to where they were needed. c. they dug trenches and filled them with sand, concrete, and large blocks to form a road.