Salt dissolved in water is a solution, therefore

a. salt and water are chemically combined
b. salt is not chemically bonded to water
c. the quantity of salt and water is fixed
d. the ratio of salt to water may vary
e. salt and water retain their own chemical properties

What is a group of organisms that are closely related and share similar characteristics

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.

The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen