Which of the following statements is FALSE? 1) Dynamic equilibrium is seldom maintained long term in environmental
systems.
2) Disturbances due to floods, fire, or storms are necessary for the maintenance
of environmental systems.
3) Changes in environmental systems do not occur naturally.
4) Change over time in environmental systems can be expected.
5) Negative feedback operates in many natural systems.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

the answer will be a) proteins i believe