If it’s an answer choice then it’s B and D. hope it helps :)
Answer:
Chronological thinking
Explanation:
A historian who is trying to understand the events that led up to the terrorist attacks on New York City's World Trade Center on September 11, 2001 constructs a timeline showing the order in which each event happened.
The skill the historian is using is Chronological thinking because he is trying to piece the events together with a timeline
The correct answer for the question that is being presented above is this one: "Gorbachev." The Soviet ruler whose policies led to the fall of the Soviet Empire and the end of the Cold War was Gorbachev. <span>Mikhail Sergeyevich Gorbachev is a former Soviet statesman.</span>
Answer: If the concentration of water molecules ouside the cell is lower than the concentration of water molecules outside the cell then the water moves out through osmosis. Water travels through the cell membrane.
Explanation: Hope this help :)
