Fighting a single sub-boss on one level, then multiplying such sub-boss on a later level, best represents which ramping formula?

increasing difficulty aftera success

alternate challenge levels

logarithmis challenge levels

tangential level design

When you collaborate or meet with a person or group online, it is called

How to launch an app: steps to be successful? launching an app is a great idea, but it’s not that easy as we supposed to think. the majority of mobile applications don’t generate revenue because companies aren’t ready to be competitive. referring to our experience in successfully building and launching apps we hope to you omit these difficulties. we are going to talk about ideas, marketing, testing your product, its development, distribution and support. you will learn 8 product launch stages to succeed.

When is a chart legend used a. all the time b. whenever you are comparing data that is the same c. whenever you are comparing multiple sets of data d. only for hand-drawn charts