Which drug classes are considered first-line treatment for heart failure? (select all that apply.)
a. digoxin (cardiac glycoside)
b. beta blockers
c. nesiritide (natrecor), the b-type natriuretic peptide
d. angiotensin ii receptor blockers (arbs)
e. angiotensin-converting enzyme (ace) inhibitors?

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

When ash and dust begin to settle on the ground, they eventually become compacted by