Rachel Carson's book Silent Spring showed that
A) pesticides like DDT were ineffective in killing crop pests.
B) scientific expertise can help shape positive environmental policies.
C) industries producing harmful chemicals welcomed scientific evaluation of their environmental impact.
D) biodiversity could be increased with cautious use of DDT.
Question 2
Regularly providing food to regions with chronic hunger in developing countries can aggravate the problem of food supplies by
A) changing the types of native foods consumed by the local people.
B) causing nutritional deficiencies associated with a new type of food.
C) causing overnourishment and the health problems associated with obesity.
D) decreasing the local production of food and disrupting the local economy.
Griffith's experiments that showed the transformation of bacteria by a “transfor
Reading and talking about a picture book is one effective way to improve children’s language ...
Catherine Opie, Untitled #13 (Spring), from Somewhere in the Middle.
Spring-activated lancet.
Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ...
Organic Diets Significantly Lower Children’s Dietary Exposure to Organophosphorus Pesticides