Explanation

No birds are mammals.

A sparrow is a bird.

Therefore, a sparrow is not a mammal.

Last verified on 06-09-2026

Explanation

• Fossils from different rock layers provide evidence of changes in organisms over geological time.
• These changes support the concept of evolution.
• Therefore, the most logical conclusion is that species change over time.

Last verified on 06-09-2026

Explanation

A route-removal strategy eliminates selected traffic movements to reduce congestion.

The most direct sign of effectiveness is lower traffic density at major intersections.

Increased congestion or longer travel times would indicate the intervention is ineffective.

Last verified on 06-09-2026

Explanation

Engineers ⟶ Graduates

Graduates ⟶ Educated persons

Therefore, Engineers ⟶ Educated persons.

Last verified on 06-09-2026

Explanation

No honest person is corrupt means no person can be both honest and corrupt.

Some politicians are corrupt means at least some politicians are corrupt.

Therefore, those corrupt politicians cannot be honest.

Hence, some politicians are not honest logically follows.

Last verified on 04-09-2026