في احد فتح معاه موقع الاحياء ؟ (مخالف تم تعديله)

[nono2010]

كل ما اجي ادخل اللتست بانك الي موجود ف موقع الاحياء يقولي حدث خطاء ..!

في احد يفتح معاه..

الي فتح معاه ياليت ينقلنا الآسله ف شابتر ون من 116 لين 120 ..

لانو هيا الي ناقصه من التست الي عندي..

ولو في طريقه عششان انا افتحو بنفسسي والله حرام مشتري الكتاب

[الله يـعيـن]

لو تبغىآ الطريقه

هنآآ (الرد الثآلث و الرآبع)

http://skaau.com/vb/showthread.php?t=378771


و بالنسبه لـ الأسئله دحين انزلهآ ولآ يهمك

=)

[الله يـعيـن]

116) Which of the following statements about the greenhouse effect is true?
A) The greenhouse effect is reduced by deforestation.
B) The greenhouse effect is exacerbated by the use of fossil fuels.
C) The greenhouse effect is inversely related to increasing levels of atmospheric CO2.
D) The greenhouse effect will decrease the average temperature of the planet.
E) The greenhouse effect has no direct relationship with the Industrial Revolution of the
1800s.
Answer: B
Topic: 7.13
Skill: Factual Recall



117) It has been argued that cutting old-growth forests and replacing them with plantations of
young trees would help to alleviate the threat of global greenhouse warming. What important fact
does this argument ignore?
A) Forests play too minor a role in global CO2 dynamics, which are affected far more by
marine algae.
B) Young trees fix carbon at a lower rate per unit mass than old trees.
C) Most of the biomass of the cut trees would be added to the atmosphere as CO2 within a
few years.
D) Most of the young trees would die within a few years.
E) Young trees emit ozone-destroying gases at a higher rate than old trees and would thus
worsen the ozone-hole problem while alleviating global warming.
Answer: C
Topic: 7.13
Skill: Conceptual Understanding


118) Ozone
A) formation is promoted by CFCs.
B) is broken down by carbon dioxide.
C) is a source of oxygen for cellular respiration.
D) levels in the atmosphere have been steadily increasing in the past century.
E) protects Earth from UV radiation.
Answer: E
Topic: 7.14
Skill: Factual Recall


119) Ozone consists of ________ oxygen atom(s).
A) zero
B) one
C) two
D)three
E) four
Answer: D
Topic: 7.14
Skill: Factual Recall


120) Which of the following has been a major source of ozone destruction over the past 50 years?
A) chlorofluorocarbons
B) ethylene glycol
C) carbon dioxide
D) chemiosmosis
E) cellular respiration
Answer: A
Topic: 7.14
Skill: Factual Recall