Why is Mars so much colder than the Earth?
A) because the albedo of Mars is higher than the Earth
B) because Mars has a much thinner, more diffuse atmosphere
C) because Mars has a little less gravity than the Earth
D) because Mars is farther from the Sun
Question 2
An atom of the element iron has an atomic number of 26 and an atomic mass number of 56. If it is neutral, how many protons, neutrons, and electrons does it have?
A) 26 protons, 30 neutrons, 26 electrons
B) 26 protons, 30 neutrons, 30 electrons
C) 13 protons, 56 neutrons, 13 electrons
D) 13 protons, 43 neutrons, 13 electrons
E) 26 protons, 56 neutrons, 26 electrons
When parents actively support higher education, their children achieve more in their future careers.
Oil pressure relief valves are spring loaded. The stronger the spring tension, the higher the oil ...
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
How to use implicit differentiation with higher order derivatives
Ocean cover most of Earth’s surface
Earth day kids