Which part of the brain is indicated by the arrow below? Pons
Cerebellum
Cerebrum
Medulla oblongata

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.