A chunk of lead at 91. 7 ˚c was added to 200. 0 g of water at 15. 5 ˚c. The specific heat of lead is 0. 129 j/g˚c, and the specific heat of water is 4. 18 j/g˚c. When the temperature stabilized, the temperature of the mixture was 19. 4 ˚c. Assuming no heat was lost to the surroundings, what was the mass of lead added?.

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

El año pasado fuimos a guatemala y nos en el hotel amanecer.

When an employee arrived late to a scheduled meeting, his supervisor questioned the veracity of his excuse. which of the following is the most accurate definition of veracity in this case?