In the past, many Canadians used wood
stoves or fireplaces to heat their homes.
Today, most Canadian homes burn oil or
natural gas or use electric heating.
Suggest more than one reason why this
change has occurred.

Why does his teacher ask him to balance the equation by including the correct coefficient

How do you lengthen a pattern piece? (family and consumer science, sewing)

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?