A complex sentence has one independent clause and at least one dependent clause. An independent clause (unlike adependent clause) can stand alone as asentence. Below are examples of complex sentences. In each example, the independent clause is shaded. The dependent clause is unshaded. 1  Stay in the bath until the phone rings.  The car swerved to miss Mrs Jackson, who had slipped off the pavement.
John Dalton was the first to recognize that the total pressure of a mixture of gases is the sum of the contributions of the individual components of the mixture. By convention, the part of the total pressure of a mixture that results from one component is called the partial pressure of that component.
Modern Atomic Theory (John Dalton) Experiments with gases that first became possible at the turn of the nineteenth century led John Dalton in 1803 to propose a modern theory of the atom based on the following assumptions. 1. Matter is made up of atoms that are indivisible and indestructible. 2. All atoms of an element are identical. 3.