Ethan is helping his father rearrange the furniture in their living room they have two diff tables that are same size when Ethan pushes on each he finds that it is harder to move table A than it is to move table B why does Ethan have to push with more force on tank A than on table B ?? Hel

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat