Pesticide resistance
A. has arisen only among insects.
B. has arisen in hundreds of species.
C. has emerged in a few species but more cases are expected.
D. used to be a problem but modern pesticides are typically not susceptible to this problem.
Answer: B
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Artesian wells are associated with confined aquifers.
Answer the following statement true (T) or false (F)
One of the problems with finding new fossil fuel deposits in developing countries is that ________
A) their governments seldom allow extraction of the deposit without meeting expensive environmental regulations B) those countries tend to keep the resource for themselves, not sharing with other countries C) it is very expensive to transport the deposit elsewhere D) their governments seldom allow extraction of the deposit without imposing huge taxes to fund new social benefits for the country E) multinational companies often move in to harvest the new deposit, and very little money or resource remains in the country
A group of concerned citizens was worried that their local water supply might be contaminated with naturally occurring arsenic. They decided to purchase a home arsenic monitoring kit and tested well water in their local area. After analyzing the data (shown below), the citizens wrote a letter to the editor of a local newspaper arguing that their data proved that the water supply is contaminated. They demanded immediate government action to address the problem. The local water board again tested the wells using their official water testing instruments and found average concentrations of 8.1 +/- 0.2 micrograms per liter. Assume the water board's reported measurements are the accepted value. The maximum permitted level of arsenic in water supplies is 10 micro-grams per liter. src="https://sciemce.com/media/4/ppg__1020817191133__f1q513g1.jpg" alt="" style="vertical-align: 0.0px;" height="119" width="470" /> It is later revealed that several of the citizens' samples from Well 2 were likely contaminated prior to testing, but the citizens decided to include these samples in their final data set anyway. Which characteristic of bad science does this illustrate?
A. Making use of bad statistics.
B. Attacking the scientists, not the science.
C. Confusing cause and effect.
D. Creating an argument based upon authority.
Which kinds of molecules assist in the movement of lymphocytes into the blood?
A) chaperones B) cytokines C) lymphokines D) transporters