The Chernobyl nuclear accident about 30 years ago
A) resulted in only five deaths and the loss of less than two square miles of land.
B) spread large amounts of deadly radiation over thousands of square miles.
C) avoided a complete core meltdown because of heroic intervention by two men who later died from radiation exposure.
D) was cleaned up and the nuclear reactor rebuilt in 1994 and has been free of problems since then.
Question 2
Despite the loss of grasses in African savannahs resulting from competition from the invasive Sodom apple, elephants may help restore savannah communities because
A) their dung helps fertilize savannah plants.
B) they no longer feed on savannah grasses.
C) they eat the Sodom apple preferentially, which is toxic to most other species.
D) they uproot Sodom apples as they seek the grasses they prefer.
Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for
The declining age of menarche over the past 150 years has been measured in many European countries,
The Chernobyl, Ukraine, Nuclear Power Plant Disaster
Average Years of Schooling versus GDP per Capita
Estimating Potential Blood Volume Loss (Part 2)
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take