Which of the following substance is not formed by chemical bonds? a.) mixture
b.) molecule
c.) compound
d.) pure substance

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling

The genes are more on the side of.. b nature

It is 5 hope this you out