Answer:
Each DNA strand is composed of nucleotides—units made up of a sugar (deoxyribose), a phosphate group, and a nitrogenous base. Each strand of DNA is a polynucleotide composed of units called nucleotides. A nucleotide has three components: a sugar molecule, a phosphate group, and a nitrogenous base. Explanation:
A psychologist would typically deal with the emotion problems of a person who don't suffer from serious disorders. A psychiatrist is a medical practitioner specializing in the diagnosis and treatment of someone who has a mental illness. They both help out when someone is desperately in need of it
Ignore this I just need to answers questions to be able to ask questions
You would need to have exothermic
Exothermic is when heat is being released
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Answer: b. photochemical smog
Explanation:
Photochemical smog is the most common type of smog. It is produced when the ultraviolet rays in sunlight reacts with the nitrogen oxides present in the atmosphere.
It can be seen as visible brown haze. It can be seen in morning and in afternoon. It can be seen in cities which are densly populated.
The largest contributor to the formation of photochemical smog are automobile emission, and coal power plants.