Why is it necessary for cells to use up valuable energy to transport materials across a membrane, il diffusion occurs naturally ?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

2. does the given statement describe a step in the transformation of the graph off(x) = x2 that would result in the graph of g(x) = -5x + 2)? a. the parent function is reflected across the x-axis. o yes nob. the parent function is stretched by a factor of 5. yes noonc. the parent function is translated 2 units up.o yes

Are the brightest stars low magnitude or high magnitude?