100 Lesly
What causes the seasons?
The earths tilted axis.
What’s the tilt of the earth
23.5 degrees
Whats the main cause of the seasons?
Obliquity
Rotation- the earth turning on its axis
revolution- the movement of earth around the sun
What is a winter kill?
The loss of fish in winter because of the lack of oxygen.
What is the angle of insolation?
The way the sun hits the earth.
What lake zones have sunlight?
Euphoric and Littoral.
When the earths northearn hemisphere is tilted towards the sun, what season is experienced in the Southern Hemispher?
Winter
What is the lowest lake in the world?
Dead Sea
T/F The earths seasons are caused by the revolution of the earth around the sun. When the earth is closer, it is summer and when farther away it is winter
False
what is thermal stratification
Distinct layers of water that have different tempertature.
Thermal stratification can slow down what process in a lake?
Exchange of water and flow of nutrients
Why country has most lakes?
Canada
How long does it take to make one revolution?
365.25
What is tragedy of the commons?
When an individual puts their short term needs higher than community needs
The part of a lake that is shallow enough to support rooted aquatic plants
Littoral zone
When the Northern hemisphere is pointing towards the sun, what season is the Southern Hemisphere
Winter
____ is the open water zone where rooted plants do not grow
Limnetic
Winter kill is a mass killer fish due to what
Lower dissolved oxygen
What is it called when we great a equal amount of hours of day and night?
equinox
Wen the earths northern hemisphere is tilted towards the sun, what season is experienced in the Southern Hemisphere
Winter
Which of these is not a kind of glacier?
Barenan
When a glacier reaches the sea what process happens?
Calving
How is the speed of a glacier measured?
Inches per day
What are formed when a glacier reaches the sea and breaks up into chucks?
Icebergs