Trees are very important natural resources. They are the source of food, shelter and habitat. We get various woods, timber , fodder from the forest. Trees hold the soil firmly. Forests helps in conducting water cycle. If trees are cut down then environmental pollution will increase because trees purify the Air. Land pollution , air pollution , water pollution may increase. Biodiversity can be affected.
Answer:
First, it transports blood with oxygen and nutrients to cells all over the body. Second, it picks up waste products from the cells to be transported out of the body, and it takes the deoxygenated blood back to the lungs so it can regenerate.
<h3>yellowfish tuna</h3>
This is the fourth fastest fish, having recorded swimming speed of 76km/h.
<h3>What is Tuna known for ?</h3>
Tuna are remarkable and impressive wild animals. The Atlantic bluefin can reach ten feet in length and weigh as much as 2000 pounds (more than a horse)
- Their specialized body shape, fins and scales enable some species of tuna to swim as fast as 43 miles per hour. Tuna swim incredible distances as they migrate.
- The latest report by the UN shows that tuna is the world's most consumed and the second most wild caught fish in the world.
Learn more about Tuna fish here:
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Answer: Saturn is farther from the Sun than Earth.
Explanation:
Answer choices are:
A. Pollution
B. Dams
C. Flooding
D. All of the above
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Correct answer choice is :
D) All of the above
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Explanation:
Sulfur dioxide and nitrogenous oxide released from industries and power plants infiltrate river ways by acidic rainfall. Sewerage and effluent are released into rivers in some regions. Pollution can decrease the pH of the water, attacking all organisms from algae to vertebrates. Biodiversity reduces with reducing pH.
