When dissolved in water, a(n) _____ donates H+; a(n) _____accepts H+.
a. acid; base
b. base; acid
c. buffer; solute
d. base; buffer
e. solvent; solute
Question 2
Most terrestrial planets have portions of their surface that appear to be significantly older than other portions of their surface. What evidence suggests that the surface of Venus is all of the same age?
a. Photos taken by probes that landed on Venus showed that all of the rocks were of the same age.
b. The craters on Venus are randomly distributed in size and number across the surface.
c. The volcanoes on Venus are not found in isolated groups, but are scattered around the planet.
d. Photos taken by probes that landed on Venus showed that all of the rocks were of the same age and the craters on Venus are randomly distributed in size and number across the surface.
e. Photos taken by probes that landed on Venus showed that all of the rocks were of the same age, all of the rocks were of the same age and the craters on Venus are randomly distributed in size and number across the surface, and the volcanoes on Venus are not found in isolated groups, but are scattered around the planet.
A pygmy hippopotamus rests in some water to help prevent its skin from cracking at Ueno Zoo in Japan
Appendectomy. The appendix and cecum are brought through the incision to the surface of the abdomen.
Whale in water
Zhang Huan, To Raise the Water Level in a Fishpond.
Fatty acid desaturation system
Three routes to phosphatidic acid in eukaryotes