Answer:
3 and 4
Explanation:
Why?
4 has no value nor distance record such as km, m, miles, etc.
This is the same as 3.
Answer: Panama
Explanation:
The Panama Canal (Spanish: Canal de Panamá) is an artificial 82 km (51 mi) waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.
Much pollution fills the air because of train s which let off steam that contains chemicals.
Volcanoes on Mars resemble Hawaiian Shield Volcanoes found on Earth, meaning that the answer is D.
An ecological deficit occurs when the Footprint of a population exceeds the biocapacity of the area available to that population. Conversely, an ecological reserve exists when the biocapacity of a region exceeds its population's Footprint. ... The Ecological Footprint is usually measured in global hectares.
Ecological reserves are areas selected to preserve representative and special natural ecosystems, plant and animal species, features and phenomena. Scientific research and educational purposes are the principal uses of ecological reserves.
