Blight fungus kills U.S. chestnut trees because the trees ________
A) have not matured long enough to survive
B) release the fungus in the leaves that fall to the ground and the fungus is absorbed in the soil
C) are hosts to the vectors of the fungus
D) have not coevolved with the fungus
E) release the fungus into the soil and it is drawn up in the roots
D
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An object having twice as much mass as another object also has twice as much
A. volume. B. gravitational acceleration. C. inertia. D. velocity.
During its early stages of formation, a catastrophic collision with Earth by a large body is thought to have ripped part of the Earth away to form
A. Phobos and Deimos. B. the Moon. C. an asteroid belt. D. Mars.
As the distance from the city center increases, the average age of the adults declines.
Answer the following statement true (T) or false (F)
An element found in another galaxy exists as two isotopes. If 80.0 percent of the atoms have an atomic mass of 80.00 atomic mass units and the other 20.0 percent have an atomic mass of 82
00 atomic mass units, what is the atomic mass of the element? A) 81.0 atomic mass units B) 64.0 atomic mass units C) 80.4 atomic mass units D) 16.4 atomic mass units E) 81.6 atomic mass units