PROject_EXTICNT\DESTROY_HuManrACE wil begin soon BE PREPARED

Which are forms of nitrogen that are usable by humans

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

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.