part 4: types of currents (6 points)
match the type of current with the correct definition: tidal currents, surface ocean currents or coastal currents (1 point each)
16. are driven by the winds in the open ocean.
17. occur with the rise and fall of the tide.
18. are created by the interaction of wind, waves, and land formations.

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

the answer for this question would be d. glaciers

b.have there own function.

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: