What is the Definition of Smog?

What feature of cell theory is best demonstrated in the image

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.