Answer:
1 hr on problems and 3 reading
Explanation:
1 hr on problems bc he's able to finish 40 problems which is better than reading for 1 hr since the teacher said reading for 1 hr is equivalent to solving 35 problems. in the 2nd, 3rd and 4th hours he solves less than 35 problems each hour so it's better to just read for an hour.
The ecological footprint is a general assessement of the population while the ecological footprint per capita means the ratio a country's per capita Footprint to the per capita biological capacity available on Earth.
<h3>What is an Ecological Footprint?</h3>
This is best defined as the impact of human activities which is measured in terms of the area of biologically productive land and water required to produce the goods consumed and to assimilate the wastes generated.
The importance of Ecological Footprint is due to the fact that it does measures the biologically productive area that are needed to provide for everything that people demand from nature such as fruits, vegetables, meat, fish, wood, cotton, fibres, as well as absorption of carbon dioxide from fossil fuel burning and space for buildings and road.
In essence, the ecological Footprint assess how fast or quick the people consume resources and generate waste compared to how fast nature can absorb our waste and generate resources.
Read more about Ecological Footprint
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Answer:
Rusting metal can: Chemical
Boiling water: Physical
Crushing aspirin: Physical
Exploding nitroglycerin: Chemical
