Water Cycle
What are the most important thing in the water cycle?
Evaporation, transpiration, condensation, precipitation, and runoff
About what percent of the weight of living organisms are carbon?
20%
When producers release oxygen, what is it a result of?
Photosynthesis!!!!!
What happens in the nitrogen cycle?
Nitrogen moves from the air into the soil, into living things, and back into the air and soil.
When humans burn oil and other plant-based fuels, what is released?
How long does the water cycle take?
A drop of water may spend over 3,000 years in the ocean, also a drop of water spends an average of just 9 days
How many forms of carbon are there?
3 forms!!!!!1
Most organisms take in oxygen from the air or water and use it to carry out what?
Their life processes!!!!!!!!!!
What percent of nitrogen is in the air around us?
78%
Human activities affect the levels of what in the atmosphere?
Carbon and oxygen!!!
How many stages are in the water cycle?
7 Stages!!!!!!!
When food is broken down, what releases carbon dioxide and water into the environment?
Producers and Consumers
How many steps are in the oxygen cycle?
5 steps!!!!!!!!!!
Do all organisms use nitrogen gas?
NOOOOO
When trees are removed from the ecosystem, are there fewer or greater producers to absorb carbon dioxide?
Fewer!!!!!
What would happen if the water cycle stopped?
Lakes, rivers, and groundwater sources would dry up, glaciers would disappear, and precipitation would stop falling
What can decompose also release into the air.
Carbon dioxide!!!!!!!!
Is it bad to sleep with plants in your room?
No, sleeping with plants is a way you can get a lot of oxygen. You could even say that sleeping with someone in the same room is less healthier then sleeping with plants.
What is nitrogen gas also known as?
"Free" Nitrogen
What is the water cycle?
The processes by which water circulates between the earth's oceans, atmosphere, and land
What is so special about carbon?
It is the only element that can form different compounds
What is special about oxygen?
It is colorless and odorless that is gas.
Why is nitrogen gas also known as "Free" Nitrogen?
Because it is not combined with other kinds of atoms!!!