If a country is landlocked, its literally surrounded by land.That would be physical<span />
Answer:
The number of secondary consumers will reduce.
Answer: trap heat in Earth's atmosphere
Explanation: Greenhouse gases can be defined as any gas, such as carbon dioxide or CFCs, that contributes to the greenhouse effect (The process by which a planet is warmed by its atmosphere.) when released into the atmosphere. This occurs due to greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface