The stars found in nebulae like the Orion Nebula probably formed
A) within the last few million years.
B) about 10 million years ago.
C) hundreds of millions of years ago.
D) billions of years ago.
E) at the beginning of the universe.
Question 2
What two energy transport mechanisms, in order from outside the core to the surface, are found in the Sun?
A) convection, conduction
B) radiative diffusion, convection
C) conduction, radiative diffusion
D) radiative diffusion, conduction
E) conduction, convection
The most abundant elements found in living organisms
Open space is found in a Lodgepole pine stand after thinning.
Some of the many small molecules found in cells
Elements found in the element cube
Types of supercoiling found in chromosomes
The carotenoid lycopene, found in tomatoes and tomato products, functions as an antioxidant