What does DNA stand for?
How many bones are in the human body?
The concept of gravity was discovered by which famous physicist?
What is the hardest natural substance on Earth?
Which is the main gas that makes up the Earth's atmosphere?
Humans and chimpanzees share roughly how much DNA?
Answers & Comments
What does DNA stand for?
How many bones are in the human body?
The concept of gravity was discovered by which famous physicist?
What is the hardest natural substance on Earth?
Which is the main gas that makes up the Earth's atmosphere?
Humans and chimpanzees share roughly how much DNA?
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Answer:
1.DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.
2.Bones provide the structure for our bodies. 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.
3.Isaac Newton:Isaac Newton is popularly remembered as the man who saw an apple fall from a tree, and was inspired to invent the theory of gravity. If you have grappled with elementary physics then you know that he invented calculus and the three laws of motion upon which all of mechanics is based.
4.diamonds
While diamonds may be the hardest naturally occurring substance found on earth, he explains, they are not the hardest available (there are two harder substances - a laboratory synthetic nanomaterial called wurtzite boron nitride and a substance found in meteorites called lonsdaleite).
5.nitrogen
Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
6.These three species look alike in many ways, both in body and behavior. But for a clear understanding of how closely they are related, scientists compare their DNA, an essential molecule that's the instruction manual for building each species. Humans and chimps share a surprising 98.8 percent of their DNA.