Ques: Q: What are the two components of the ecf? Choices: - proteins and if - polymer and if - solids and if - plasma and if A:
Ans: plasma and if

Ques: Q: Clearing land for agriculture and development is a major cause of what negative result? Choices: - water destruction - human destruction - mineral destruction - habitat destruction A:
Ans: habitat destruction

Ques: Q: Where is urine formed in the body? Choices: - the liver - the pancreas - the lungs - the kidneys A:
Ans: the kidneys

Ques: Q: Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring? Choices: - hybrid orbital theory - covalent bond theory - molecular orbital theory - valence bond theory A:
Ans:
valence bond theory