Correct Answer: A. Guinea highlands

Correct Answer: D. 105N

Correct Answer: C. 1200\(ms^{-1}\)

Explanation

The fundamental frequency \((f_{0})\) = \(\frac{v}{2l}\)

\(f_{0} = 150Hz; l =400cm = 4m\)

\(150 = \frac{v}{2\times 4}\)

\(v = 150 \times 8 = 1200ms^{-1}\)

Explanation

(a) Native Authority was an institution of local administration of Indirect Rule System in British West African Colonies.

(b) The basic defects of the Indirect Rule System include the following

(i) It increased the power of the traditional rulers to the detriment of their subjects.

(ii) The imposition of warrant chiefs and taxation where there were none before made the system unpopular e.g. Isehin and Aba riots. (Hut-tax war in Sierra Leone).

(iii) It created tensions and misunderstanding between the chiefs and educated Africans due to distrust and intrigue.

(iv) The system made the chief corrupt e.g. mis-management of funds, embezzlement of taxes, forced labour, etc.

(v) It was autocratic since colonial authorities had power to over-ride the decisions of the native administration.

(vi) The activities of the native courts were unsatisfactory. They were slow, corrupt, inefficient, etc.

(vii) It slowed down the pace of constitutional development and early independence of West African colonies. This is because it drowned the voice of the people.

(viii) The system tampered with the established traditional institutions e.g. appointment and removal of chiefs.

(ix) It reduced traditional rulers to mere stooges and puppets of the colonial authorities. The traditional rulers were hated by their people.

Correct Answer: B. short-term liability

Explanation

The balance c/d on trade creditors will be recorded in the balance sheet as a short-term liability.

Trade creditors represent amounts owed by a business to its suppliers for goods or services that have been purchased on credit. These amounts are typically expected to be paid within a short period, usually within a year. As a result, trade creditors are classified as short-term liabilities on the balance sheet.

In the given information, the trade creditors balance on December 31, 2021, is $6,000. This represents the amount that the business still owes to its suppliers at the end of the year. Since it is an amount payable in the short term, it will be recorded as a short-term liability on the balance sheet.

Correct Answer: B. Common

Correct Answer: B. They compete with crops for resources

Explanation

The primary characteristic of weeds in agriculture is that they compete with crops for resources. Weeds are unwanted plants that grow in agricultural fields and compete with cultivated crops for sunlight, water, nutrients, and space. They can reduce crop yields by depriving crops of essential resources and sometimes release chemicals that inhibit crop growth.

Correct Answer: B. temperature

Correct Answer: A) H_2O

Correct Answer: C. ester