Help 1. What is the wavelength of the picture?
2. What is the amplitude in the picture?
3. How many complete waves are in this wave train?

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade