What was the frost line of the solar system?
A) the distance from the Sun where temperatures were low enough for metals to condense, between the Sun and the present-day orbit of Mercury
B) the distance from the Sun where temperatures were low enough for rocks to condense, between the present-day orbits of Mercury and Venus
C) the distance from the Sun where temperatures were low enough for hydrogen compounds to condense into ices, between the present-day orbits of Mars and Jupiter
D) the distance from the Sun where temperatures were low enough for asteroids to form, between the present-day orbits of Venus and Earth
E) the distance from the Sun where temperatures were low enough for hydrogen and helium to condense, between the present-day orbits of Jupiter and Saturn
Question 2
There is very little interstellar gas or dust in most elliptical galaxies.
Indicate whether the statement is true or false
The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the
Endocrine System - Fish
Jets Created by a Black Hole in a Binary System
Frequency coding in the nervous system: Threshold stimulus.
Drug development time line.
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c)