The law of conservation of momentum states that the total momentum of a system

-increases
-decreases
-remains constant

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

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

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?