Now our natural resources arerunning out quickly. We should take action to protect them.10. Digging sand is strictly limited in the river because it will lead to lower water levels.11. Our purpose isn't to get an award but to take part.12. With the development of our city, the life ...
15. After jogging in the forest for a long time, I ___ and had a rest under a tree.相关知识点: 试题来源: 解析 (B) 6. situation 7. has donated 8. was set up 9. running out 10. Digging 11. to take part 12. has changed 13. is handing out 14. explaining 15. was tired out...
Describe the government actions that could contribute to decrease carbon emissions in the planet and explain why the government is not using them more aggressively. Explain the impact of high taxes on gasoline. Explain in detail Internalizing the externalities and give example. ...
Explain in detail one of the market approaches in solving environmental problems. Use economic analysis to explain why people are more likely to litter in public parks than in their own yards. What type of market failure is involved in this situation? Explain how profits and losses affect wh...
rubra seedlings are unable to compete with these shade-tolerant species and do not recruit to upper forest strata. In Europe, natural regeneration of introduced Q. rubra is often successful despite the absence of fire, which promotes regeneration in the native range. Considering that understorey ...
The resulting four scenarios occurred in both the baseline and the extended model, and are referred to as cases I–IV from here. Each case is described in further detail in the next two Results sections. In the third Results section, we analyze how resource productivity and harvest regime ...
For forest communities, plant species in the tree, shrub, and herb layers were recorded in one 20 × 20 m plot, four 2 × 2 m plots and four 1 × 1 m plots, respectively. In the shrub communities, the 20 × 20 m plot was left out, ...
When we looked in detail on how specific attributes contributed to resilience capacities separately, we found attributes that contributed to the three capacities and attributes that contributed differently to each capacity. These results support the consideration of robustness, adaptability and ...
ThisArctic Ocean Floor mapfirst appeared in the October 1971 issue of National Geographic. The detail is extraordinary in such submarine terrains such as continental shelves, abyssal plains, ridges, and fracture zones. This Arctic map illustrates the various landmasses and the ocean floor in stunning...
Copy-number-variable (CNV) loci are an important cause of genetic variation in human genomes, and give rise to differences of 4.8–9.5% in the overall length of human genomes10,11. However population genetic divergence at the genome-wide CNV loci has not been investigated in detail12,13, ...