Two c atoms form a double bond. each c is bound to two h atoms. which statement is true?

a_the bonds orient like tripods or pyramids.

b_all the atoms lie in a line.

c_the bonds orient in a tetrahedral fashion.

d_all the atoms lie in a plane.

e_the groups rotate around the c=c bond.

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.