Which aspect of soil characteristics is a sieve used for? a) determining color. b) seperating soils by grain size. c) preventing moisture loss in soils. d) determining soil conservation techniques

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

Based on the information in the graph, what can you conclude about humans in the world in general?

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air