_____ is the rich solution of organic molecules in Earth's first oceans

A) Organelle soup
B) Nuclear soup
C) Plasma soup
D) Primordial soup


D

Physics & Space Science

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A 100 kg mass is blown apart into a 90.0 kg piece and a 10.0 kg piece. After the blast, the two masses are moving apart with a relative velocity of 100 m/s. The velocity of the 10.0 kg mass after the explosion is 90.0 m/s. The total kinetic energy of the two masses after the explosion is

A. 63,200 J. B. 45,000 J. C. 30,400 J. D. 23,400 J. E. 4,500 J.

Physics & Space Science

Unlike supernovae, novae can explode more than once, increasing their luminosity by thousands of times

Indicate whether the statement is true or false

Physics & Space Science

The famed meteorite with carbonate rocks and possible microfossils came from:

A) Venus. B) the Moon. C) Mars. D) Europa. E) Comet Halley.

Physics & Space Science

Fluid Flow: Ideal incompressible fluid flows through a 4.0-cm-diameter pipe at 1.0 m/s. There is a 2.0 cm diameter constriction in the line. What is the speed of the fluid in this constriction?

A. 0.25 m/s B. 0.50 m/s C. 2.0 m/s D. 4.0 m/s

Physics & Space Science