Which of these statements could be true based on the timeline? 2,500,000 bce 2,000,000 bce 1,500,000 bce 1,000,000 bce 500,000 bce 16 2.5 million bce - the last ice age begins 500,000 bce-humans learn to control fire 14.000 bce - the last ice age concludes 11,000 bce - humans domesticate dogs 9000 bce-extinction of large animals in north america 7000 bce - humans domesticate corn present day 1 o a. large north american animals went extinct because humans began domesticating the corn they ate. o b. during the last ice age, it was always far too cold for humans to learn to control fire. o c. humans developed control over fire to keep their domesticated animals warm during the winter. o d. the use of domesticated dogs humans hunt large north american animals to extinction

1.in which of the following ways did washingtons native people produce a minimal impact on their environment? select all that apply -built fish traps across rivers -harvested bark from trees -dammed rivers, altering salmon runs -logged old growth forests-filled in swamps-burned forested areas to increase plant diversity -tore down hills to make cities 2. which statement about groups interacting with the environment is true? a. settlers were careful not to affect the environment with their actions b. settlers were particularly concerned with conserving forest c. native people tried to balance their use of natural resources with their respect for the environment d. native people were careful not to affect the environment with their actions 3. which best explains how native americans in washington related to the environment? a. their dependence upon the environment led to over-harvesting, which used up many natural resources b. they did not fully take advantage of natural resources until settlers arrived from the eastern united states c. they relied on the environment for all aspects of their lives-clothing, food, housing, and transportation. d. they worked over the years to become less reliant on natural resources for their livelihood. 4.what is one way farmers in eastern washington changed their natural environment? a. damming of rivers b. excessive trapping c. irrigating crops d. logging old growth forests 5. how do people in washington interact with the environment today? select all that apply. -eastern washington is no longer used for farming -logging remains a big industry within the state -rivers are reserved for recreational use -people rely solely on cedar for building canoes -people rely on the rich farmlands of western washington for many crops