when two or more simple machines work together, they are called a(n)

a. compound machine

c. screw

b. effort machine

d. simple machine

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Ascientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. which term most likely describes what she is measuring?