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The carbon cycle is a critical component of Earth's environmental system, governing the movement and transformation of carbon through various reservoirs, including the atmosphere, oceans, soil, and living organisms. This complex cycle involves several key processes such as photosynthesis, respiration, decomposition, and carbon sequestration, each contributing to the regulation of carbon levels on the planet.
Human activities, particularly fossil fuel combustion and deforestation, have significantly altered the natural carbon cycle, leading to increased atmospheric carbon dioxide concentrations and driving climate change. Understanding the intricacies of the carbon cycle is essential for assessing the impacts of these changes and developing effective mitigation strategies.
By studying the carbon cycle, scientists can identify carbon sources and sinks, measure carbon fluxes, and predict future trends. This knowledge is crucial for crafting policies aimed at reducing carbon emissions, enhancing carbon storage, and promoting sustainable practices. The carbon cycle's interplay with climate systems, ecosystems, and human activities underscores its importance in maintaining a stable and healthy planet.
In-depth exploration of the carbon cycle reveals the delicate balance required to sustain life and the urgent need to address anthropogenic influences. Through research, education, and policy, we can work towards restoring equilibrium in the carbon cycle and ensuring a sustainable future for generations to come.
Improving the viability of probiotics by encapsulation methods for developmen...Open Access Research Paper
The popularity of functional foods among scientists and common people has been increasing day by day. Awareness and modernization make the consumer think better regarding food and nutrition. Now a day’s individual knows very well about the relation between food consumption and disease prevalence. Humans have a diversity of microbes in the gut that together form the gut microflora. Probiotics are the health-promoting live microbial cells improve host health through gut and brain connection and fighting against harmful bacteria. Bifidobacterium and Lactobacillus are the two bacterial genera which are considered to be probiotic. These good bacteria are facing challenges of viability. There are so many factors such as sensitivity to heat, pH, acidity, osmotic effect, mechanical shear, chemical components, freezing and storage time as well which affects the viability of probiotics in the dairy food matrix as well as in the gut. Multiple efforts have been done in the past and ongoing in present for these beneficial microbial population stability until their destination in the gut. One of a useful technique known as microencapsulation makes the probiotic effective in the diversified conditions and maintain these microbe’s community to the optimum level for achieving targeted benefits. Dairy products are found to be an ideal vehicle for probiotic incorporation. It has been seen that the encapsulated microbial cells show higher viability than the free cells in different processing and storage conditions as well as against bile salts in the gut. They make the food functional when incorporated, without affecting the product sensory characteristics.
Improving the viability of probiotics by encapsulation methods for developmen...
The Life of MOUNTAINS
1.
2. Mountains are parts of the landscape with steep slopes that
rise 300 metres or more above their surroundings.
Mountains are found all over the world. Some stand on their
own, most of these are volcanoes that rise from islands in
the oceans. The majority of mountains stretch in ranges
across the continents of the world. The Lake District in
England and Snowdonia in Wales are both mountain ranges.
When mountain ranges are found together they make up a
mountain chain. The Alps in Europe, the Himalayas in
Asia, the Andes in South America and the Rocky mountains
in North America are all mountain chains.
3. Kilimanjaro is the highest
mountain in Africa. It is a
volcanic mountain that is 5895m
high.
Mount Everest is the highest
mountain in the world. It is in
the Himalayas, China and
stands at 8848m.
Mount McKinley is the
highest peak in the USA. It is
6194m high.
Mount Aconcagua is part of the
Andes and is the highest mountain in
Argentina at 6960m high.
Cotopaxi is a volcano in
Ecuador that is 5897m
high.
Mt. Fuji is a volcano
in Japan. It stands at
3776m high.
Mt. St Helens is a volcano in
the USA and is 2400m high.
Mt Vesuvius is a volcano in
Italy. It is 1277m high.
5. It is colder at the top of a mountain than at the bottom. The
sun warms the ground, but the air is warmed by the heat
rising up. Therefore it is colder at the top because it is further
away from the ground.
Temperatures may vary from:
17degrees C
27degrees C
La Paz (Bolivia) June.
3658m
Mountains have
shiny white surfaces
because of the ice
and snow. These
surfaces reflect the
suns heat which
helps to keep the
temperatures
freezing even
through the
Summer.
6. Many mountain landscapes have sharp peaks,
ridges and valleys. These are formed by frost, ice
and glaciers.
In the Summer, the rain falls and the ice melts.The
water seeps into the surface cracks of the mountain.
When the water freezes again it expands and prises
the rocks apart. The rocks are split away from the
mountains and fall into the valleys. The ridges and
peaks that are left can be steep and jagged with
knife-edged points.
7. Glaciers and ice caps are made from snow that has never melted.
All the snowflakes and crystals have been squeezed together by
the weight and pressure of more snow falling on top. The world
used to be much colder than it is today- a time known as the ice
age. During this time many glaciers formed and changed the
appearance of the mountains forever.
As a glacier goes down hill, any broken rock sticks to the bottom.
These pieces of rock act like chisels and scrape away the floor of
the valley. This is called erosion. The grating of the rocks that are
pushed along by the ice, wears the valley away. Glaciers can leave
large U-shaped valleys carved out of the rock in the mountains.
8. Mountains can be both magnificent and beautiful.
The snow capped peaks and sparkling sunlight lure
many people to attempt daring and dangerous
climbs to be on top of the world. However, the
mountain environment was not designed for human
inhabitants and if climbers are unprepared, the
mountains can be a deadly place to explore.
9. An avalanche is a huge mass of snow on the move. Avalanches
can contain millions of tonnes of snow and can move at over
300 kilometres per hour. Avalanches will only occur if there is
heavy snow on a steep slope. They are usually triggered by a
small shock. It may be just a skier going over loose layers of
snow. As the snow begins to slide forwards it breaks up.
Powdered snow is lifted up in a cloud. Air can be pushed on
ahead so rapidly that it can blow houses apart even before the
actual snow arrives.When it does arrive, the snow will flatten
and destroy anything in its path.
10. Climbers need to plan a mountain trek very carefully indeed.
If the weather is bad, frost bite and hypothermia could set
in. These illnesses are caused by severe cold. Frostbite is
caused by crystals of ice forming on the skin and stopping
the blood supply. It most commonly affects the face and ears
because they are usually exposed. If frostbite is not treated,
climbers may also lose their fingers or toes. Hypothermia is
caused when the body temperature drops below 35 degrees
centigrade. If it is not treated the climber will pass out and
eventually die.
11. As a climber goes up a mountain the air gets ‘thinner’. This
is because of the high altitude. (The altitude is the height
above sea level, measured in metres.) A climber would have
to breathe harder to get the oxygen that is needed to survive.
There is less gas and fewer molecules in every breath taken.
A climber would not be able to use muscles efficiently and
may become dizzy, short of breath and tired. Each movement
would take more effort than usual. The air does not soak up
heat so well when it is thinner so it becomes very cold. The
highest mountains have permanent snowlines at high
altitudes because the air is always below freezing.