Bohr’s “planetary model” states that electrons are in specific energy levels or “orbits” around the nucleus. Explain how this is not possible using Heisenberg’s uncertainty principle.

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage