List the six main regions of the Earth, in order, starting from the center
What will be an ideal response?
core, mantle, crust, hydrosphere, atmosphere, magnetosphere
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The line intensity of a spectrum depends both on the abundance of a particular element and its temperature as well
Indicate whether the statement is true or false
If I = 0.40 A in the circuit segment shown below, what is the potential difference Va ? Vb?
a.
31 V
b.
28 V
c.
25 V
d.
34 V
e.
10 V
This diagram summarizes modern particle classification. Where do protons, neutrons, and electrons, the particles that make atoms, fit in?
A) Protons and neutrons are made of quarks, while electrons are leptons. B) Protons and neutrons are quarks, while electrons are leptons. C) Protons and neutrons are fermions, while electrons are bosons. D) Protons, neutrons, and electrons have a separate classification scheme; they are made neither of fermions nor bosons.
What temperature has the Big Bang has cooled to by now?
A) About 3,000 K B) 5,800 K C) About 300 K D) Just over 2.7K E) 1.4 K