Barometers have long been used to predict the weather. Jay and Jeff were recording the class weather data each day in March. One day, they noticed that barometric pressure dropped down very, very quickly. What type of weather should Jay and Jeff expect soon? A) fog B) rain C) clearing D) cold temperatures

Its in the national history museum and you can't se the original because its locked away in a vault 

Tropical climate is experienced in the nothern countries of south america

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

The scientist can conclude that there is a decrease in the natural resources due to human activities. because of innovation and modernization of the environment, then there goes pollution and other bad effects that destroys the natural resources.