What are ways scientists have learned about the inside of the Earth? (More than one answer is possible) A. Earthquake Data

B. Robotic Exploration

C. Volcano Composition

D. The Earth's Magnetism

Which potential solution below best addresses the issue of loss of biodiversity in a north american ecosystem?

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite