What is the relationship between amplitude and decibels?

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

These three organisms are interdependent on each other for their survival. what will happen if foxes are eliminated from the region? a. there will be more rabbits and less grass in the region. b. there will be more grass and fewer rabbits in the region. c. there will be fewer rabbits and less grass in the region. d. there will be more rabbits and more grass in the region.