Study Clue

Chapter 1: Basic Concepts of Economics (Set-5)

A PPC drawn for two goods assumes a fixed level of technology and resources, so any point on the curve

The definition of economics that highlights “choice” mainly becomes necessary because resources are which of these? A Always growing fast

When economics studies how a family decides between saving and spending from a limited income, it mainly highlights what concept?

Economics is often called a “social science” because it mainly studies what? A Plant life growth B Chemical reactions C

When economists study how people and businesses make choices because resources are limited, they are mainly studying what? A Unlimited

In SAR remote sensing, the strong return from a smooth water surface is usually low because it mainly causes A

A satellite orbit designed to cross the equator at nearly the same local time each pass is called A Geostationary

When satellites capture images during cloudy weather and even at night, the sensor used is usually A Thermal infrared sensor

In remote sensing, the “sensor” mainly works as a device that A Builds field roads B Records reflected energy C

Remote sensing mainly means collecting information about Earth by A Measuring from distance B Digging soil samples C Direct field