If there is 20% T bases in a DNA sequence, what percentage of A would there be in the same sequence? 10% 20% 30% 40%

c is the correct answer hope this !

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

condenser is used to focus in the light microscope.