Hi , the jobs are
the arteries , carry the blood away from the heart
the capillaries , enable the actual exchange of water and chemicals between the blood and the tissues
veins, carry the blood from the capillaries back toward the heart
Answer: Hind wings have tail extensions.
Explanation:
The dichotomous key is a tool which is used by the scientists to identify the unknown living organisms by comparing the observable characteristics of unknown with known living organisms. It stresses to identify the organisms or species by their scientific names and every species has a particular scientific name. Hind wings of butterfly is the observable characteristic which can be compared with that of other known butterfly species that also have a tail extension. This physical characteristic will help in identification of butterfly.
<span>hydrosphere and atmosphere
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Recycling Causes Increased Environmental Problems
The process of recycling an old product into something reusable uses energy and creates pollution. Critics claim that recycling is simply a zero-sum game, where the pollutants and waste from making new goods shift into the recycling industry.