Which question about dogs could be answered through scientific investigation?

how loving a pet is an irish terrier?
how fast does an australian terrier grow?
which type of dog gets along the best with cats?
which breed of dog is the cutest to children?

"How fast does an Australian terrier grow? "

Explanation:

A scientific investigation is the search for answers on biological, physical, chemical and even social and psychological phenomena. This investigation is done through scientific experiments that allow a certain question about a scientific factor to be tested in order to produce a correct and proven scientific knowledge.

Regarding the question above, we can say that a question that would be answered by a scientific investigation would be "How fast does an Australian terrier grow?", Since speed and growth are factors that can be analyzed and measured through concepts and experiments scientific.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.