A 200 gram cube of lead is heated from 21 °C to 80 °C. How much energy was required to heat the lead? The specific heat of lead is 0.129 J/g°C.

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

From the standpoint of geography,a is an internal rendering of an individual's known world

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare