الأسئلة الي بدون جوآب ف ترايننق 1 حق عزوز ؟؟؟

[tr.z]

17. Life emerges through ___________ of various levels,with addition of
each new level novel properties emerge called ______________.



A) adaptation ------------- global perspective


B) adaptation ------------ emergent properties


C) organization ---------- hierarchy of life


D) organization ---------- emergent properties


E) evolution -------------- global perspective

20. The scientific method of studying living things include:


A) observations only


B) observations and questions only


C) observations ,questions and hypothesis only


D) observations ,questions ,hypothesis and prediction only


E) observations ,questions ,hypothesis, prediction and testing the prediction

21. C14 is a/an ---------- isotope.


A) stable


B) unstable


C) broken


D) inactive


E) useless

22. The three dimensional crystal of water when freezes due to _________ hydrogen bonds.

A) weak

B) stable

C) mild

D) unstable

E) ionic

23. A water molecule can dissociate into a hydrogen ion H+ and a __________ ion, this dissociation has important biological consequences.

A) hydroxide

B) positive

C) aqueous

D) hydronium

E) none of the above

24. Carbon skeleton can be:

A) unilateral

B) unbranced

C) multilateral

D) branched

E) b & d choices are correct



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ان ماخابني الظن كذا .. توني مذاكرها :/

على الله وانا اخوك .. والله اني ابغى اجيب فوق 22 بس :(

دكتور نزآر وش اقول بس :(