Water near the equator is warmer than water at the poles. Which sentence explains why? A. Deep-sea vents pump steam into oceans unevenly.
B. Upwellings spew warm water toward the equator.
C. The sun heats Earth and its oceans unevenly.
D. Dense, salty water tends to hold more heat.

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.