Answer the following question given this paragraph: Water is involved in most biochemical reactions. Therefore, water is essential to life. Q: What substance, involved in most biochemical reactions, is essential to life? Choices: - carbon - nitrogen - air - water A:
water
(Question)
Answer the following question given this paragraph: Figure 40.10 The mammalian circulatory system is divided into three circuits: the systemic circuit, the pulmonary circuit, and the coronary circuit. Blood is pumped from veins of the systemic circuit into the right atrium of the heart, then into the right ventricle. Blood then enters the pulmonary circuit, and is oxygenated by the lungs. From the pulmonary circuit, blood re-enters the heart through the left atrium. From the left ventricle, blood re-enters the systemic circuit through the aorta and is distributed to the rest of the body. The coronary circuit, which provides blood to the heart, is not shown. Q: What part of the heart receives the blood is pumped from veins of the systemic circuit? Choices: - left atrium - left ventricle - right ventricle - right atrium A:
(Answer)
right atrium
Ques: Answer the following question given this paragraph: Q: What are some of the giant fairy rings produced by? Choices: - fronds - algae - sporangia - mycelia A:
Ans: mycelia
(Q).
Answer the following question given this paragraph: Leaves may vary in size, shape, and their arrangement on stems. Nonflowering vascular plants have three basic types of leaves: microphylls ("tiny leaves"), fronds , and needles . Figure below describes each type. Q: Nonflowering vascular plants have how many basic types of leaves? Choices: - four - one - five - three A:
(A).
three
Ques:Answer the following question given this paragraph: Organic chemistry is the study of the chemistry of carbon compounds. Q: Organic chemistry is the study of the chemistry of what? Choices: - hydrogen - metals - oxidation - carbon compounds A:

Ans:carbon compounds
Ques: Answer the following question given this paragraph: Head hair protects the scalp from ultraviolet light exposure and loss of body heat. Hair in eyelashes, eyebrows, and nostrils traps water, dust, and other irritants. Nails protect the ends of fingers and toes and enhance the sense of touch. Q: What protects the scalp from ultraviolet light exposure and loss of body heat? Choices: - ground hair - temporal hair - receding hair - head hair A:
Ans:
head hair