Your answer for, “Which two processes reduce the amount of carbon dioxide in the atmosphere?” is ‘
Photosynthesis' and ‘Absorption'
.
Which processes reduces the amount of carbon dioxide in the atmosphere?
Photosynthesis
removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2. However, these processes are not in balance.
Which two processes increase the amount of carbon dioxide in the atmosphere?
Carbon dioxide is added to the atmosphere naturally by
respiration
(animals breathe in oxygen and exhale carbon dioxide), decay, and volcanoes. Combustion of fossil fuels, a human activity also adds CO
2
to the atmosphere.
Which two processes led to a decrease in the amount of CO2 in the atmosphere?
Carbon dioxide levels decreased because of processes that included:
dissolving in the oceans
.
use by plants for photosynthesis
.
formation of fossil fuels as plants died
and their carbon compounds became locked up underground.
Which two processes have decreased the percentage of carbon dioxide in the earth's atmosphere?
Algae and plants decreased the percentage of carbon dioxide in the atmosphere by
photosynthesis
. Carbon dioxide was also decreased by the formation of sedimentary rocks and fossil fuels that contain carbon. Oxygen increases due to photosynthesis.
What removes co2 from the atmosphere naturally?
Photosynthesis
removes carbon dioxide naturally — and trees are especially good at storing carbon removed from the atmosphere by photosynthesis.
What is the source of carbon dioxide in air?
Carbon dioxide is added to the atmosphere naturally when
organisms respire or decompose
(decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.
What is the amount of carbon dioxide in the atmosphere in percentage?
It is a naturally occurring chemical compound that is present in the atmosphere. Carbon dioxide exists in the Earth's atmosphere at a concentration of approximately
0.04 percent (400 parts per million)
by volume.
What human activities increase carbon dioxide?
Human activities—
mostly burning of coal and other fossil fuels, but also cement production, deforestation and other landscape changes
—emitted roughly 40 billion metric tons of carbon dioxide in 2015.
What increases co2 in the atmosphere?
Carbon dioxide concentrations are rising mostly because
of the fossil fuels that people are burning for energy
. … For 2018 alone, global fossil fuel emissions reached 10 ± 0.5 Pg C yr−1 for the first time in history (Friedlingstein et al. 2019). About half of the CO2 emitted since 1850 remains in the atmosphere.
What is the 30 second version of the carbon cycle?
Since carbon is the stuff of life, one of the best ways of understanding the carbon cycle is just a whole bunch of things living and dying, and in the process swapping carbon. Here's the 30 second version. Plants use the carbon in the atmospheric CO2 to make sugars and other carbohydrates to grow and reproduce.
How does the amount of carbon dioxide affect our environment?
Carbon dioxide causes about
20 percent of Earth's greenhouse effect
; water vapor accounts for about 50 percent; and clouds account for 25 percent. … When carbon dioxide concentrations drop, Earth cools, some water vapor falls out of the atmosphere, and the greenhouse warming caused by water vapor drops.
What is the relationship between carbon dioxide and temperature?
When the
carbon dioxide concentration goes up, temperature goes up
. When the carbon dioxide concentration goes down, temperature goes down.
Can we take co2 out of the atmosphere?
Catching carbon in the air
Carbon dioxide can be removed from the atmosphere as air passes through a big air filter and then stored deep underground
. This technology already exists and is being used on a small scale.
Why is there not much carbon dioxide in the earth's atmosphere today?
The amount of carbon dioxide in the Earth's atmosphere
decreased because the carbon dioxide__________________________________ in the oceans
. … Algae and plants use carbon dioxide and water to produce oxygen.
What causes co2 to decrease in the atmosphere?
Formation of sedimentary rocks
Carbon dioxide is a very soluble gas. It dissolves readily in water. As the oceans formed,
carbon dioxide dissolved to form soluble carbonate compounds
so its amount in the atmosphere decreased.
