Micro test
A farmer needs to kill more than half...
1,500 g/cm3
Which of the following federal laws
Comprehensive Environmental......
chemical compound that can cause...
Nitrates (NO3-0
Based on the data table above for a stream in Illinois...
Site C
A local citizen science group is monitoring the water quality of a nearby lake...
Water sampled later in the day may be warmer and have lower dissolved oxygen
Large objects, such as sticks and rocks...
A (wastewater in)
This process results in the biological breakdown...
A (wastewater in)
Students conducted an experiment to calculate the LD50... (Graph)
A - just below medium and at 50
Based on the LD50 values, which of the following best describes
Antifreeze is more toxic than aspirin
Based upon this data, what is the best description of this relationship...
As the concentration of anastrozole increases, the percent induction of breast answers decreases.
This process uses chlorine...
D (release to enviornment)
The United States environmental protection agency... (graph)
D - highest
True statements about ozone include which of the following
II and III only (contact with ozone and ozone absorbs some)
Of the following, which is the primary...
Landfilling
Poses a health risk to humans who eat...
Mercury
The process described above are steps...
P-S-R-Q
Other than potential negative health effects on humans..
Pesticides may harm organisms...
In August of 2014, residents of several...
Phosphorous contained in agricultural runoff
Which of the following laws gave the EPA
RCRA
Which of the following would best improve the validity of the experiment
Repeating the experiment several times and comparing the results
waste from which of the following is an example of nonpoint source pollution
Runoff from agricultural fields
Many synthetic chemicals, such as PCBs, act as estrogen mimics. In an ecosystem, these persistent chemicals would have the greatest effect on which of the following?
Secondary consumers
Which of the following is the best description of bioaccumulation?
The absorption of a substance
why did the DO after one week...
The algae multiplied and then died and decomposed
What is the main purpose for the experiment?
To observe the effect of organic waste on DO
An ecologist examining several ponds discovers that...
an endocrine disruptor
West nile virus was identified...
being bitten by an infected mosquito
Toxicologist say the dose makes the poison...
does not support this concept because as concentration increases, response decreases
Many homeowners are unaware that their garbage may contain hazardous waste...
food scraps
Of the phenomena that correlate...
the increase in the spread of infectious diseases