Answer the following question given this paragraph: The voltage of a voltaic cell can be determined by the reduction potentials of the half reactions. Q: The voltage of a voltaic cell can be determined by the reduction potentials of what? Choices: - full reactions - thermal reactions - old reactions - half reactions A:
half reactions
(Question)
Answer the following question given this paragraph: Humus is the decayed remains of living organisms. Humus makes soil fertile. Q: What is the decayed remains of living organisms called? Choices: - plateaus - fossils - oil - humus A:
(Answer)
humus
Ques: Answer the following question given this paragraph: Attaching strips of neutral metals that are higher in the activity series can protect a structure from corrosion. Q: Attaching strips of neutral metals that are higher in the activity series can protect a structure from what? Choices: - diffusion - deoxidation - weathering - corrosion A:
Ans: corrosion
(Q).
Answer the following question given this paragraph: Unit cells occur in many different varieties. As one example, the cubic crystal system is composed of three different types of unit cells: (1) simple cubic , (2) face-centered cubic , and (3) body-centered cubic . These are shown in three different ways in the Figure below . Q: The cubic crystal system is composed of how many different types of unit cells? Choices: - one - four - five - three A:
(A).
three
Ques:Answer the following question given this paragraph: type of cancer in which bone marrow produces abnormal white blood cells that cannot fight infections. Q: What is the type of cancer in which bone marrow produces abnormal white blood cells that cannot fight infections? Choices: - lymphedema - pneumonia - melanoma - leukemia A:

Ans:leukemia
Answer the following question given this paragraph: Predator species such as birds and spiders control insect pests. They reduce the need for chemical pesticides, which are expensive and may be harmful to human beings and other organisms. Q: Predators can replace what tool in agriculture. Choices: - harvesters - fertilizer - irrigators - pesticides A:
pesticides