Which two elements are isotopes of each other? a) Π and Φ
b) Π and Ψ
c) Φ and Σ
d) Φ and Ω

Which of these natural resources is non-renewable a.corn b.wind c.geothermal d.natural gas

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory

What is the reduction potential of a hydrogen electrode that is still at standard pressure, but has ph = 5.65 , relative to the she?