Answer:
Wavy haired would be SC, seeing as it is "heterozygous," meaning it has one of each allele. This is called incomplete dominance, where neither allele is expressed fully over the other.
Natural resources will not last forever because it takes longer to renew them than the speed at which we use them. Only renewable resources, like the sun, wind, etc, will last 'forever'
The independent factor is typically the unit on the x axis, while the dependent is on the y axis. An Example would be miles per hour, miles would be graphed on the y axis, and hours on the x axis.