Which question could be answered using the scientific method? select one: a. why does my dog like to sit on the sofa? b. would mars be a fun place to live? c. are butterflies happy? d. do vitamins people stay healthy?

We have been given Four options we need to tell which one of them could be answered

Option A has nothing to do with science dog can sit anywhere.

Option B and C are also discarded they are not logical questions and hence, nothing to do with science.

Option D could be answered using scientific method because vitamins help stay healthy we need to know which vitamins our body need at a particular time to be healthy.      

Option D is correct.

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y