Trees in the mid-west change colors and lose their leaves in the cooler parts of the year. what kinds of trees lose their leaves? a) deciduous b) evergreen c) nonvascular d) nonwoody

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?

When using the scientist method, which step comes last?

The smallest particle of an element that retains its identity in a chemical reaction. true or false