Answer:
the answer is d
Explanation:
Individual oxygen atoms are formed when UV rays strike oxygen molecules.
<span>Air pollution has a variety of effects upon health, including biochemical, physiological and breathing difficulties (such as increased coughing, increased C02 intake, restricting air flow, disrupt ventilation etc). The statement "It could restrict air flow through the bronchi" doesn't explain the effect of air pollution effectively enough.</span>
Options are not provded in the question. The complete question is:
All of the following substances are derived from petroleum EXCEPT
A) asphalt
B) DDT
C) cellulose
D) polystyrene
E) nylon
Answer: C) cellulose
Explanation:
Cellulose is defined as an organic compound made up of many hundred to several thousands of β linked D-glucose units arranged in a linear chain. Cellulose is a significant structural part of green plant's primary cell wall, many types of oomycetes and algae.
Human beings can not digest cellulose but as a source of fibre, it is essential in the diet. Cellulose is used for storing clothes and paper.
Hence, cellulose is not a derivative of petroleum.
Answer:
B
They have traits of both parents some of which could be dominant.
I'm not positive this would be the best place to ask that, I would suggest consulting either a close family member or friend or maybe a therapist. Or if you know someone who is transgender, talk to them, they most likely have the most insight. <span />
