Explanation:

Let's go through each country:

- Gabon: The equator passes through Gabon.

- Somalia: The equator passes through southern Somalia.

- Equatorial Guinea: The equator does NOT pass through Equatorial Guinea. The name might suggest so, but geographically it lies just north of the equator.

- Rwanda: The equator does NOT pass through Rwanda; it is south of the equator.

Options:

- Option 1: 1 and 4 — Incorrect (equator passes through Gabon)

- Option 2: 2 and 4 — Incorrect (equator passes through Somalia)

- Option 3: 2 and 3 — Incorrect (equator passes through Somalia, but not through Equatorial Guinea)

- Option 4: 3 and 4 — Correct (equator does not pass through Equatorial Guinea or Rwanda)