The earth, the sun, and the rest of the solar system are almost unimaginably old when viewed on a human time scale. while modern humans first evolved approximately 200,000 years ago, the age of the earth, the sun, and the rest of the solar system is approximately years. a)4.6 billion b)4.6 million c)200,000 d) 100,000

Read the following quote from the nature conservancy, “the 3 billion people who live in poverty around the world will be hardest hit by climate change. the poor are more dependent on natural resources and have less of an ability to adapt to a changing climate. diseases, declining crop yields, and natural disasters are just a few of the impacts of climate change that could devastate the world’s most vulnerable communities.” from this quote, what group of people is most vulnerable to climate change? those who depend on industrialized nations people who are able to adapt to changing conditions people living in central america people who are living in poverty

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.

Read the article titled "castro resigns." why did the us impose trade sanctions against cuba in 1962?