Which explains the outer gas planets when the solar system formed?

a.
the rotation of the young solar system repelled gases outward by centripetal acceleration.

b.
the young sun's solar winds pushed gases outward to the outer solar system.

c.
asteroid impacts concentrated rocky material toward the inner solar system and gases outward.

d.
gases are less dense and floated outward toward the outer solar system.

What type of lipids are found in all biological membranes?

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?