How have the factors that trigger an asthma attack changed since the 1900s? As a researcher, how would you put together the clues given here to explain the emerging epidemic?

the answer is d. chordata

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

segmented body, an exoskeleton made from chitin, and joint appendages.

answer; ///blank(1); green bananas; blank(2); raw potatoes;