Which type of computer threat locks a device and sends a message that states the device cannot be unlocked unless the user submites a payment?

A: Trojan Horse

B: Ransomware

C: Virus

D: Phishing Attack

Explain the Spanish class system used in the American colonies. How did Spanish settlers divide themselves into categories? What rights and privileges did each of these categories receive?

The sun subtends a half a degree from were we stand. If the lower limb of the setting sun touches the horizon at 6:30 PM when does it disappear completely below the horizon (that is how how does it take to set.) ?

Why does the southern part of Mexico's central plateau have a temperate climate? A. It is located high above sea level. B. It is located on four tectonic plates. C. It is cooled by breezes from the Pacific Ocean.

In a survey of school, it was found that 55% liked tea and 70% liked milk. If 30% liked both drinks. How many people like neither of drinks. Find by making a Venn-diagram.

The particular animals of given geographic region are called its

Iron atoms combine with oxygen atoms to form rust. Is this a physical property of iron or a chemical property?

Kerri drive 310 miles in 5 hours at a constant speed. A) at what constant speed was Kerri driving? B) How long would it take her to drive 403 miles at the same speed?

Which tectonic plate pushes against the Eurasian plate to form the alps and other geographical features

Which of the following areas would most likely have the greatest amount of surface runoff? low, flat plain sandy beach steep mountainside V-shaped valley

Which of the following is a reason why Hartsfield-Jackson International Airport provides so many jobs to Georgians? A) It is required to hire many people because it receives tax money for its operations.