How did dual federalism / layer cake federalism change laws

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

a: her mother, brother, and father died

b: she lied when she didn't think people wanted the truth

c: a governess was mean to her

explanation:

sonar maybe? ? i dont know the choices

uncle sam would be tossing and turning in his grave : *)