Isabella is explaining to her students that icebergs float on seawater. Which property of seawater is Isabella explaining? A.
density decreases as seawater cools
B.
alkalinity of ice decreases, making it float on seawater
C.
ice sinks in freshwater and floats on seawater
D.
ice expands upon freezing, lowering its densit

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

Based on the information in the graph, what can you conclude about humans in the world in general?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?