Answer:
Biodiversity is the different types of living organism found in this earth. The biodiversity is getting extinct due to the natural and human calamity.
Habitat loss and fragmentation: The excessive loss of trees due to urbanization and deforestation, species has lost their habitat and become extinct.
Over-exploitation: The over-exploitation of the natural resources has directly result in the biodiversity loss of plants and animals.
Pollution: The different types of air pollution, water pollution and noise pollution has damaged the large number of organisms on earth.
Invasive species: The introduction of alien species in the environment can cause the deterioration of the original species inhabiting in the environment.
Answer:
Atmospheric convection.
Explanation:
Atmospheric convection is the result of a parcel -environment instability, or temperature difference, layer in the atmosphere.
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Answer:
D
Explanation:
Their bodies consist of mesoglea, a non-living jelly-like substance, sandwiched between two layers of epithelium that are mostly one cell thick
Answer:

Explanation:
Let
x ----> the surface area of a sphere
y ---> the volume of a sphere
we know that
The ratio of surface area to volume of a sphere is equal to divide the surface area by the volume of the sphere

we have

substitute the values

Answer:
As on all map projections, shapes or sizes are distortions of the true layout of the Earth's surface. The Mercator projection exaggerates areas far from the equator. For example: Greenland appears the same size as Africa, when in reality Africa's area is 14 times greater.
Explanation: