Q: When a stalactite and stalagmite join together, they form a what? Choices: - ladder - cave - joint - column A:
column

(Question)
Q: Asthma, pneumonia, and emphysema are diseases of what system? Choices: - reproductive - pulmonary - digestive - respiratory A:
(Answer)
respiratory

Ques: Q: What term is used to describe the sequence of elementary steps that together comprise an entire chemical reaction? Choices: - source mechanism - elemental mechanism - potassium mechanism - reaction mechanism A:
Ans: reaction mechanism

(Q).
Q: Which group of the periodic table consists of hydrogen and the alkali metals? Choices: - group 2 - group 4 - group 3 - group 1 A:
(A).
group 1

Ques:Q: Cancer of the testes is most common in males between what ages? Choices: - 70 and 90 - 50 and 60 - 10 and 20 - 15 and 35 A:

Ans:15 and 35

Q: What type of biomes are found in the salt water of the ocean? Choices: - active - major - surreal - marine A:
marine