Which of the following are proposed theories of how life came about on Earth?
I. DNA world
11. Primordial Soup
III. RNA world
A.
III only
B.
I, II and III
C.
ll and Ill only
D.
I and II only
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Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse