Correct Answer: A. latent heat is absorbed, the mass remains constant, and the volume decreases

Correct Answer: B. Interpret

Correct Answer: C. Sharia

Correct Answer: B. activating certain enzymes

Correct Answer: D. cheerfulness

Correct Answer: D. promote Africa's socio-cultural advancement

Correct Answer: D. Prospectus

Correct Answer: A. prevent rare species of wild animals from extinction

Explanation

(a) Natural resources are the materials nature provides and are necessary for the production of human wants. They are usually associated with land. Examples are the minerals in the ground and vegetation.

(b) Roles of natural resources are:

(i) Natural resources contribute to economic development by providing production input. (ii) Export of natural resources such as crude oil, groundnut, cocoa, diamonds contribute to foreign exchange earnings.

(iii) Investment in the exploitation of natural resources contributes to the growth of capital stock of the economy.

(iv) The exploitation of natural resources creates jobs.

(v) The returns from the exploitation of natural resources generate a sizeable income for the economy, e.g. royalties.

(vi) The natural resources promote the cultivation of crops to feed the people.

(vii) It creates the environment for the development of the secondary and tertiary sectors of the economy, e.g. manufacturing and tourism.

Correct Answer: C) apical meristem

Explanation

In this diagram, the part labeled a is the apical meristem, which is the correct answer (Option C). The apical meristem is a region of actively dividing cells at the tips of the shoot and roots of plants. These cells are responsible for the primary growth of the plant, allowing it to grow taller and develop new leaves and branches. It's important to understand the other options as well. Option A, the apex, refers to the tip of the shoot or root, where the apical meristem is located. Option B, the fruit, is the mature ovary of a flowering plant containing seeds. Fruits develop after the fertilization of ovules within the flowers. Option D, the flower, is the reproductive structure of a flowering plant, containing the reproductive organs like the stamen (male) and the carpel (female). To summarize, the apical meristem is the correct answer, as it corresponds to the part labeled a in the diagram. It is responsible for the primary growth of the plant, allowing it to grow taller and develop new leaves and branches.