What is the impact El Niño has on a marine environment? a. kelp flourish with warmer water
b. increases the reproductive rate of marine birds
c. produces colder than normal ocean temperatures
d. upwelling slows and fish migrate in search of food

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth