Josh is an avid reader. his generous grandparents gave him money for his birthday, and he decided to spend at most $120 on books. Reading Spot is running a special: all paperback books are $5.00 and hardback books are $10. josh wants to purchase at least 15 books. Define variables:

write a system of inequalities:

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation:

answer: it depends on what the tax percentage