What are the important relics of the quark epoch? Why?
What will be an ideal response?
Question 2
What prevents a brown dwarf from undergoing nuclear fusion?
A) Degeneracy pressure halts the contraction of a protostar so the core never becomes hot or dense enough for nuclear fusion.
B) There is not enough mass to maintain nuclear reactions in a self-sustaining way.
C) The surface temperature never rises high enough for the radiation to be trapped and heat their interior to the temperatures required for nuclear fusion.
D) Radiation pressure halts the contraction of a protostar so the core never becomes hot or dense enough for nuclear fusion.
E) There are too many heavy elements and not enough hydrogen for fusion to occur in a self-sustaining way.
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
It is important that parents repeat safety rules to preschoolers and monitor compliance with rules.
Step 8 is very important. Be sure that the customer’s concern has been corrected.
Climate change is an important vector for human diseases
Access to clean drinking water is just as important as adequate nutrition for human health
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?