According to Newton's Law of Universal Gravitation, if the Moon were three times further from Earth, the force by Earth on the Moon would
A) increase by a factor of 3.
B) decrease by a factor of 3.
C) increase by a factor of 9.
D) decrease by a factor of 9.
E) stay the same.
Question 2
Carbonaceous meteorites are believed to come from:
A) coal formed on Mars, then blown into space by asteroid impacts.
B) the core of a differentiated type M asteroid, now broken up.
C) the crust of a differentiated C type asteroid, now broken up.
D) a broken up cometary nucleus, dark like Comet Halley's nucleus.
E) deep space, far beyond the solar system, hence their very low density.
Aristolochic acid (AA), a component of birthwort,a plant used in herbal remedies since ancient times
6-8 Earth’s Major Tectonic Plates
Ocean cover most of Earth’s surface
Earth’s Spheres
Suicide rates in Canada are more than three times higher for males than for females
Early Earth