Which of the following is an advantage that liquid water has as a biological solvent compared to other alternatives?
A) when it freezes it becomes less dense
B) it is a liquid over a wide temperature range and remains liquid at higher temperatures
C) it is able to dissolve many things
D) all of these are advantages
D
You might also like to view...
A solution of pH 5 is ______________ times as acidic as a solution of pH 6
Fill in the blank(s) with correct word
What do astronomers generally believe about the origin of Mars' moons?
a. They formed with the planet out of the protoplanetary material. b. They formed elsewhere and were captured at a later time. c. They were ejected from Mars during its formation. d. They were once a single moon and a later catastrophic event broke them in two.
The cost of oil as sold does not include all the concomitant costs, such as those for pollution, the cost of maintaining a defense establishment to protect oil supply, etc
What will be an ideal response?
Galaxy A is 300 Mpc from Galaxy B. Hubble's Law says that V=H0 x D. About how fast is Galaxy A receding from the perspective of Galaxy B? Use a value of 75 km/s/Mpc for Hubble's constant.
A) 30000 km/s B) 75 km/s C) 22500 km/s D) 15000 km/s E) 225 km/s