Answer:
You can use the mass-luminosity relation to find the star's lifetime in terms of just its initial mass. The lifetime = mass/luminosity × 1010 years is simply = (star's mass)/[(star's mass)p] × 1010 years = 1/(star's mass)p-1 × 1010 years. Remember that the star's mass is in solar masses.
Explanation:
:)
Advanced cities are center for trade with a large population and an organized government a long-lasting pattern of organization in a community such as economy, religion, government, education
question answered by
(jacemorris04)
It will shift to the left as population decreased.
Answer:
prob Native American European and African
This is more like a science question than an art question. Overproduction? Since we humans are on top of the food chain, we could possibly eliminate any other species. It also is a problem because there are limited resources.. For example, oil. Oil is expensive and we humans are disregarding the fact that we already have discovered most of earth except the bottom of the sea. This is where NASA takes place. We are trying to discover habitatable planets for us humans. I could go on and on but I hope I gave you some ideas.
