Which of the Galilean moons of Jupiter is covered with ice and might have liquid water below the ice? A lo
B. Callisto
C. Europa
D. Ganymede

Are substances released into the environment that in excess amounts cause damage

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

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.