The temperature at the bottom of Lake Tahoe, high in the Sierra Mountains in California, at this moment is
A) below 4°C.
B) 4°C.
C) above 4°C.
D) uncertain.
Answer: B
You might also like to view...
A charge of 1.0 × 10-6 ?C is located inside a sphere, 1.25 cm from its center. What is the electric flux through the sphere due to this charge? (?0 = 8.85 × 10-12 C2/N ? m2)
A) 0.11 N ? m2/C B) 8.9 N ? m2/C C) 0.028? N ? m2/C D) It cannot be determined without knowing the radius of the sphere.
As shown, a(n) ______________ is added to help focus the red and yellow images
Ocean tides are waves that have a period of 12 hours, an amplitude (in some places) of 1.50 m, and a speed of 750 km/hr. What is the distance between adjacent crests of these waves?
A) 9000 km B) 32,400 km C) 9000 m D) 32,400 m E) 2500 m
The Curiosity rover has detected evidence of what kind(s) of chemical activity in Mars' soil?
A) organic carbon chemistry B) helium and hydrogen C) photosynthesis D) water, sulfur and chlorine-containing minerals E) minerals containing sulfur or produced by reactions with sulfuric acid