Correct Answer: C. Imported goods

Explanation

A tariff is a tax that a country imposes on its imports, sometimes to protect domestic industries from foreign competition. Therefore, the correct answer is 'Imported goods'.

Correct Answer: B. be exemplary in all they do

Correct Answer: B) CaSO4

Correct Answer: C. getting accommodation for West African Students

Explanation

The West African Students' Union, founded in London in 1925 and active into the 1960s, was an association of students from various West African countries who were studying in the United Kingdom. , it had begun to campaign for improved welfare for all African students in London, and for assorted measures for progress in Britain's African colonies.

The organisation made opposition to the colour bar its first priority, while also including the promotion of political research, support for the NCBWA and the provision of a student hostel in its founding aims

The aim of founding a hostel was taken directly from USAD and the NPU. Many African students in Britain found that, due to racism, it was difficult to secure satisfactory lodgings. While the Colonial Office showed some interest in establishing such a hostel, WASU was keen to maintain control of the project, and in 1929, Solanke left for a fundraising journey through West Africa. Despite this, the Colonial Office assembled a secret committee to plan for a hostel under its control, and attempted to secure private funding for its construction.

Correct Answer: B. Analogical deduction

Correct Answer: B. about their job

Explanation

To discuss one's trade or job in depth, especially with someone who is in the same profession

Correct Answer: A. Drought

Correct Answer: C. 6006

Explanation

No of boys in the class = 7; Girls = 20-7 = 13

No of selection = \(^{13}C_{3} \times ^{7}C_{2} = \frac{13!}{(13-3)!3!} \times \frac{7!}{(7-2)!2!}\)

= \(286\times21 = 6006\)

Correct Answer: B. The study of evolutionary processes and their effects on populations

Explanation

Population ecology is a branch of ecology that focuses on the study of populations of organisms belonging to the same species. t involves examining how populations are distributed across different habitats and how their numbers change over time.

Correct Answer: C. \(\frac{1}{10}\)

Explanation

(\(\frac{3}{4} - \frac{2}{3}\)) x 1\(\frac{1}{5}\)

= (\(\frac{9 - 8}{12} \times \frac{6}{5}\))

= \(\frac{1}{12} \times \frac{6}{5}\)

= \(\frac{1}{10}\)