Though titan has low gravity, it is able to retain an atmosphere because

Ahill is made of rock particles of different sizes. which of these agents of erosion probably causes the hill to form? a- waves b- glacial ice c- wind d- flowing water

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]