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Questions | Answers | Discussions | Knowledge sharing | Communities & more.
Which is the main gas that makes up the Earth's atmosphere?
Nitrogen and oxygen are the two main gases in our atmosphere. 78% is nitrogen and 21% is oxygen. The remaining 1% mostly contains argon, carbon dioxide, and several other gases like hydrogen, helium, neon, krypton, xenon, methane, ozone, and water vapour.
Nitrogen and oxygen are the two main gases in our atmosphere. 78% is nitrogen and 21% is oxygen. The remaining 1% mostly contains argon, carbon dioxide, and several other gases like hydrogen, helium, neon, krypton, xenon, methane, ozone, and water vapour.
See lessHow many bones are in the human body?
206 bones The adult human skeleton is made up of 206 bones. These include the bones of the skull, spine (vertebrae), ribs, arms and legs. Bones are made of connective tissue reinforced with calcium and specialised bone cells. Most bones also contain bone marrow, where blood cells are made.
206 bones
See lessThe adult human skeleton is made up of 206 bones. These include the bones of the skull, spine (vertebrae), ribs, arms and legs. Bones are made of connective tissue reinforced with calcium and specialised bone cells. Most bones also contain bone marrow, where blood cells are made.
What does DNA stand for?
DNA stands for deoxyribonucleic (dee-OK-see-ri-bo-new-klee-ik) acid. It is the genetic information inside the cells of the body that helps make people who they are.
DNA stands for deoxyribonucleic (dee-OK-see-ri-bo-new-klee-ik) acid. It is the genetic information inside the cells of the body that helps make people who they are.
See lessIs plastic toxic waste?
Using plastic consumer goods exposes people to the toxic impacts of plastics. Microplastics and hazardous chemicals used in plastic products can contaminate the surrounding environment, including air, water, and food, and enter into the bodies of animals and human tissue.
Using plastic consumer goods exposes people to the toxic impacts of plastics. Microplastics and hazardous chemicals used in plastic products can contaminate the surrounding environment, including air, water, and food, and enter into the bodies of animals and human tissue.
See lessWhat is plastic used for?
Plastic is used across almost every sector, including to produce packaging, in building and construction, in textiles, consumer products, transportation, electrical and electronics and industrial machinery.
Plastic is used across almost every sector, including to produce packaging, in building and construction, in textiles, consumer products, transportation, electrical and electronics and industrial machinery.
See lessHow much pollution is plastic?
How much plastic pollution is there? 12 million tonnes of plastic finds its way into the ocean every single year. 9.5 million tonnes of this enters the ocean from the land with 1.75 tonnes being chucked into the sea directly from the fishing a shipping industry.
How much plastic pollution is there? 12 million tonnes of plastic finds its way into the ocean every single year. 9.5 million tonnes of this enters the ocean from the land with 1.75 tonnes being chucked into the sea directly from the fishing a shipping industry.
See lessWhat is the main type of plastic pollution?
Cigarette butts — whose filters contain tiny plastic fibers — are the most common type of plastic waste found in the environment.
Cigarette butts — whose filters contain tiny plastic fibers — are the most common type of plastic waste found in the environment.
See lessWhat causes plastic waste?
Macro-plastics (pieces larger than 0.5 mm) made up 88% of global plastic leakage to the environment in 2019, around 20 million metric tons, polluting all ecosystems. Much of the world's plastic pollution is generated by single-use products such as bottles, caps, cigarettes, shopping bags, cups, andRead more
Macro-plastics (pieces larger than 0.5 mm) made up 88% of global plastic leakage to the environment in 2019, around 20 million metric tons, polluting all ecosystems. Much of the world’s plastic pollution is generated by single-use products such as bottles, caps, cigarettes, shopping bags, cups, and straws.
See lessWhat are 5 effects of plastic pollution?
This plastic debris affects all kinds of ocean life, from sea turtles to ocean birds to sharks to fish and everything in between. Animals get tangled or stuck in discarded nets or bottles, choke on plastic debris, fill their stomachs with plastic they mistake for food, and much more.
This plastic debris affects all kinds of ocean life, from sea turtles to ocean birds to sharks to fish and everything in between. Animals get tangled or stuck in discarded nets or bottles, choke on plastic debris, fill their stomachs with plastic they mistake for food, and much more.
See lessWhat are 5 effects of plastic pollution?
This plastic debris affects all kinds of ocean life, from sea turtles to ocean birds to sharks to fish and everything in between. Animals get tangled or stuck in discarded nets or bottles, choke on plastic debris, fill their stomachs with plastic they mistake for food, and much more.
This plastic debris affects all kinds of ocean life, from sea turtles to ocean birds to sharks to fish and everything in between. Animals get tangled or stuck in discarded nets or bottles, choke on plastic debris, fill their stomachs with plastic they mistake for food, and much more.
See less