2. Fossils of a shellfish were found high on the top of a mountain. Which BE. explains how this was possible?
a. The shellfish were dropped there by flying birds
b. The rocks of the mountain were once under water
c. The shellfish were brought there by humans millions of years ago
d. The rocks of the mountain were formed from an underwater volcano

Ascientist conducted an investigation about the effects of diet on disease resistance in rats and made surprising observations. the mice with a genetic ear mutation seemed to show similar patterns of resistance compared to mice with normal ears. based on this information, what will most likely occur? a. she will perform a second investigation on the role of certain genes in disease resistance. b. she will revise her hypothesis to pertain to mutations rather than diet, and update her data accordingly. c. she will use this information to determine that her original question was nonscientific, so she will revise it. d. she will determine that her hypothesis was invalid because resistance must be genetic.