A line shown on a map, drawn between the points of equal levels or heads is called ________?

Which one of the following acts as antioxidant ________?

Excess utility over price derived by the consumers because of negative sloping demand curve?

Most common rocks, after exposed to weathering which cover about ________% 0f the earth:

The formula used to calculate maximum flood discharge for a hilly () is________?

Meaningful statement about the economic behavior or the economy is called________?