PLEASE HELP RIGHT AWAY 8 A DNA molecule is made up of long chains of nucleotides. A DNA nucleotide consists of a , a , and a nitrogenous base.

9 In DNA, the four bases are , , , and . These bases are called complementary bases as Adenine (A) bonds only with ( ) and Guanine (G) bonds only with ( ).

What part of the plant has the most chloroplsts?

Which technically is nasa developing that will astronauts reach mars

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes