Why did some members of the US Congress object to cover his testimony in front of the house of representatives about tariff on Chinese peanuts what made him qualified to speak on this topic

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.