The right option is A. hydrofluorocarbons
Hydrofluorocarbons are pollutants that are likely to be produced from air conditioning.
Hydrofluorocarbons (HFCs) are synthetic fluorinated strong greenhouse gases that are strongly accumulating in the atmosphere. Hydrofluorocarbons are mainly used as refrigerants. Hydrofluorocarbons are used to replace ozone depleting substances such as chlorofluorocarbons and hydrochlorofluorocarbons which are being phased out in air conditioning, refrigeration, foam blowing agents, and solvents. Hydrofluorocarbons are responsible for about 20% of climate pollution by 2050
Answer:
it means proof of your a specific person
Explanation:
yes
The blood has low oxygen content
Answer:
C) DNA produces messenger RNA, also called mRNA.
Explanation:
During transcription DNA is used as a template to make RNA. RNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs. Translation reads the genetic code in mRNA and makes a protein.
Answer:
The correct answer is option D. Disorder.
Explanation:
Life has some set of characteristics to be classified as a living organism or beings. These characteristics are regulation, energy processing which means change energy from one form to another, organization of structure or complexity, evolutionary adaption to change over a period of time and other characters.
The disorder is not is the characteristic of all life. It may present in some but not all.
Thus, the correct answer is option - D. Disorder.