What most likely caused the ice ages? the size of tree rings and the amount of pollen grains solar flares and gassy ejections from the sun the tilt of the earth’s axis and the shape of its orbit the temperatures of the sun and moon

In a mercantilist system a country tries to increase its blank and decrease its blank

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel