Sustainability , why should we as humans care . what is sustainabilities impact on human race
It is the balance that exists constantly in the environment, referring to the capacity of the biosphere to co-exist with human civilization. It can also be defined as socio-economic progress. As the three dimensions of Sustainability are Environment, Economy, and Society so, as humans if we don't take care of our environment's sustainability the third dimension will collapse and shrink as a result the fundamental pillar of equitability and bearability will be destroyed. The quality of life and the carrying capacity of the planet will be decreased. Although the environment has an auto-renewable type mechanism still the human race needs to keep track of their activities.
Choose the correct variant in brackets.The current theory for star formation is that stars form within ( giant molecular / dwarf ionized ) clouds. Stars form where there are ( diffuse regions / dense cores ) within clumps of gas and dust in these clouds. The formation of ( an earth-like planet / a protostar / a black hole ) involves the rapid collapse of infalling gas onto a dense core due to gravity. As a protostar shrinks, its rate of spin ( decreases / increases ). This allows subsequent infalling gas to accumulate at the ( poles / equator ) of the protostar; this material tends not to accummulate at the protostar's ( poles / equator ) due to its spinning motion. As the protostar continues to evolve, it emits infrared radiation. When it has nearly reached its final mass, it is called a ( neutron star / Wolf-Rayet star / T Tauri star ). These objects produce strong stellar winds.
The current theory for star formation is that stars form within dwarf ionizedclouds.
The question is fill in the blanks and the answers are written below.
Stars form where there are dense cores within clumps of gas and dust in these clouds.
The formation of a protostar involves the rapid collapse of infalling gas...
As a protostar shrinks, its rate of spin decreases.
This allows subsequent infalling gas to accumulate at the equator... accumulate at the protostar's poles due to its spinning motion.
When it has nearly reached its final mass, it is called a Wolf-Rayet star.
The current theory for star formation is that stars form within giant molecular clouds. Stars form where there are dense cores within clumps of gas and dust in these clouds. The formation of a protostar involves the rapid collapse of infalling gas onto a dense core due to gravity. As a protostar shrinks, its rate of spin decreases. This allows subsequent infalling gas to accumulate at the equator of the protostar; this material tends not to accummulate at the protostar's poles due to its spinning motion. As the protostar continues to evolve, it emits infrared radiation. When it has nearly reached its final mass, it is called a Wolf-Rayet star. These objects produce strong stellar winds.
Which of the following belongs in the biosphere?
The biosphereis the sum of all living organisms and their interactions with the physical environment, encompassing a vast and intricate web of life across the Earth's surface, within its atmosphere, and beneath its oceans.
The biosphere is the region of Earth where life exists, encompassing all ecosystems and living organisms. It is a dynamic and interconnected system that includes a wide range of habitats and life forms, from microscopic bacteria to towering redwood trees, from the deepest ocean trenches to the highest mountain peaks. Here are some key components that belong in the biosphere:
Terrestrial Ecosystems: These include forests, grasslands, deserts, tundra, and wetlands. They are home to a diverse array of plants, animals, and microorganisms.
Aquatic Ecosystems: The biosphere extends to oceans, seas, lakes, rivers, and ponds, where an immense variety of aquatic life, from phytoplankton to whales, thrive.
Atmosphere: The biosphere includes the lower atmosphere, where birds, insects, and microorganisms exist, relying on the air for respiration and flight.
Soil: The upper layers of Earth's crust support countless organisms like earthworms, fungi, and bacteria that are crucial for nutrient cycling and plant growth.
Microorganisms: The biosphere includes microscopic life forms such as bacteria, archaea, and viruses that inhabit various environments and play essential roles in nutrient cycling and decomposition.
Humans: As a species, humans are an integral part of the biosphere, impacting ecosystems and depending on them for sustenance and resources.
Biodiversity: The vast diversity of species and their interactions within ecosystems is a defining characteristic of the biosphere.
Climate: The biosphere is influenced by climate patterns and weather systems, which in turn shape the distribution of life on Earth.
Ecological Processes: The biosphere encompasses ecological processes like photosynthesis, respiration, predation, and competition, which sustain life and maintain balance.
Biogeochemical Cycles: The biosphere participates in cycles such as the carbon, nitrogen, and water cycles, which connect the living and non-living components of the planet.
What is a coral reef ecosystem?; What role do corals play in marine ecosystems?
Coral polyp colonies, often known as coral reefs, number in the hundreds to thousands. These sessile (fixed in one spot permanently) marine invertebrate creatures have strong calcium carbonate exoskeletons.
What role do corals play in marine ecosystems?
Coral reefs offer chances for recreation, serve as a barrier against erosion and storm damage, and support local economies. They are also a source of fresh medications and food. More than 500 million people rely on reefs for safety, income, and food.
What is the coral reef ecosystem made of?
Thin calcium carbonate layers make up a coral reef.
Over a skeleton made of calcium carbonate, coral polyps create a living carpet. The corals most in charge of creating the groundwork for and erecting reef structures are known as stony corals (or scleractinians).
How are coral reefs formed ?
When free-swimming coral larvae cling to submerged rocks or other hard surfaces along the margins of islands or continents, coral reefs are first formed. Reefs develop one of three main structural types as the corals swell and grow: fringing, barrier, or atoll.
4. Determine the map below showscoastlines of the southeastern U.S. at three times during the Cenozoic era. Which choice represents the coastline at the height of the Pleistocene ice age? Explain your reasoning. Choice A Choice B Choice C
A is correct because, during an ice age, sea levels lower as a result of more water being engulfed in ice sheets and glaciers. When sea levels shrink, coastlines are extended.
Why are prices described as a no-cost alternative when allocating scarce resources?
Upon recent confabulations, price descriptions per allocation of resources is exceedingly stark. Alternatives to this would be the most prevalent market in wheat.
Great Britain colonized areas all over the world. Which of the following is an effect of British rule? a. The Queen rules all former colonies. b. Rugby is popular throughout the world. c. English is spoken in more countries than any other language.
c is the answer because English is spoken in many countries which Britain colonised
It is C
Because when the lands were colonised the people spoke english and so they continued with it are only changed it a little bit overtime for example accents