Plant pollen found in sediment layers can provide scientists with information on how the earth's climate has changed over time true or false

Plant pollen can provide information of what type of plants grew during that era and area. In turn, it can also determine how the Earth''s climate has changed over time. Identifying the species of the plants through the pollen will help because when scientists compare them to the plants today and the climates they thrive in, they will be able to tell what type of climate that certain plant existed in. 

The answer is True.

Balkan nationalism increased tensions between austria and russia

Bis the correct answer.