All rectangles are parallelograms, but not all parallelograms are rectangles. what does a rectangle have that a parallelogram doesn't? a) four right angles b) two opposite acute angles. c) two sets of parallel lines d) two sets of opposite congruent side

Which of the following is typically not a characteristic of a foraging society? a. foraging societies are nomadic groups. b. foraging societies consist of small groups with ties based on kinship. c. individuals in foraging societies have few personal possessions. d. foraging societies have formal social and class structures

Which are results of technological advances? increased people's exposure to new ideas created a global culture valued by people around the world brought harmony to diverse groups of people reduced the number of people living in rural areas

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.