Which structure in the figure below is commonly injured by people inserting cotton swads or other objects into their ears?

a) structure d

b) structure a

c) structure c

d) structure b

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

What sre the effects of hemolytic disease of a newborn

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor