Whose ability to use fossils in stratigraphy was identified as a major breakthrough in sequencing rock layers?
Carl Gilbert and Willard Libby
Georges Cuvier and William Smith
James Hutton and Nicholas Steno
Stephen Calvert and Charles Lyell

If animal agriculture was eliminated, how much grain would become available for human consumption?

Which statement explains how gravity and intertia work together

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.