Could life as we know exist on Earth if air contained only oxygen.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers