Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of?

• A. oxidation
• B. denitrification
• C. reduction
• D. phosphorylation

Which of the following is not a duty of a credit union?

• A. Helping members to save
• B. Granting loans
• C. Advising on the use of funds
• D. Confirming members' indebtedness

Factorize completely 81a\(^4\) - 16b\(^4\)

• A. (3a + 2b)(2a - 3b)(9a² + 4b²)
• B. (3a - 2b)(2a - 3b)(4a² - 9b²)
• C. (3a - 2b)(3a + 2b)(9a² + 4b²)
• D. (6a - 2b)(8a - 3b)(4a³ - 9b²)

Based on the novel Piggy''s, towards the end of the novel, the boys can best be described as

• A. brave and resourceful
• B. frightened and beastly
• C. religious and orderly
• D. anarchic and savage

The problems associated with land tenure through inheritance include the following except

• A. small land holdings for family members
• B. hatred among family members arising from land sharing
• C. right of individuals to free use and control of inherited land
• D. difficulty to sell part of inherited land

Which of the following is an example of a double salt?

• A) NH₄Cl
• B) alum
• C) NaCO₃
• D) AlCl₃

Stock valuation is useful because it informs the sales department on the

• A) prices of the competing goods
• B) prices that will affect profitability
• C) number of goods to produce
• D) number of goods to sell

(a) Describe the Crown Colony system

(b) Give four reasons why the Crown Colony system was unpopular among the educated elite.

Given that x = 2 and y = -\(\frac{1}{4}\), evaluate \(\frac{x^2y - 2xy}{5}\)

• A. zero
• B. \(\frac{1}{5}\)
• C. 1
• D. 2

P = {2, 1,3, 9, 1/2}; Q = {1,21/2,3, 7} and R = {5, 4, 21/2}. Find P∩Q∩R

• A. (2¹/₂)
• B. ?
• C. (1, 3, 7)
• D. (4)