According to the law of reflection, if the angle of incidence of an incoming ray of light hitting a mirror is 54° what is the angle of reflection for the same ray leaving mirror

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing