The reason scientists believe the reflective bright nebulae contain more heavy materials than the emission bright nebulae is that ________
A) they are dimmer than a low density source could produce
B) they are blue, and that color is associated with carbon
C) they reflect more colors than the emission nebulae
D) they glow brighter than an energy emission source could produce
E) they are brighter than a low density source could produce
E
You might also like to view...
Which part of a neuron transmits information to another cell or neuron?
A. cell body B. axon C. myelin sheath D. dendrite
Autotrophs do not respire.
Answer the following statement true (T) or false (F)
In all systems, energy and matter are major outputs, but in some systems only matter can be inputs
Indicate whether the statement is true or false
The study of the origin and development of landforms is specifically called _______________
Fill in the blank(s) with correct word