Answer:
Explanation: New experimental data can lead to a better understanding of theories or can even disprove them.
Answer:
B. apply to all states
Explanation:
The clean water act was made in United States and states not to discharge the pollutants in the water bodies thereby protecting the water bodies from getting polluted. It also ensures to keep the water suitable for fishes and also swimming.
In this law, the federal government asks the state government to set rules for their people to discharge their waste products. However, in some states the enforcement of this law has declined over the years.
The answer to your question is D) punctuated equilibrium.
The theory of Punctuated Equilibrium states that extremes in the environment cause sudden evolution; a long period of time precedes the sudden evolutionary changes.
<em>both producers and consumers are the part of ecosystem but finally either directly or indirectly they become food of the decomposers that may be micro-organisms or the larger parasite or saprophyte ..
organisms taking food from living host are parasite while taking food from dead matter are saprophytes..</em>
