4. What are the main criteria for classification of animals? Name the phyla and groups they areclassified into based on these criteria. Give examples of each group.​

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

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:

japan is the correct anwser because i already took the test and i passed it

answerclassical conditioning;