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: supernova
Explanation: Massive stars, on the other hand, quickly move beyond these more light elements to create heavier elements like silicon and copper. Anything heavier than iron is created during a supernova–the star-shattering explosion at the end of a massive star's life cycle.
<h2>Answer with Explanation </h2>
Cellular respiration is a process in which chemical reactions occurs that allows the body to take glucose and transform it into ATP. ATP is a more readily available form of energy for the body than glucose. Cells need energy to perform tasks, and respire to break the chemical bonds in ATP and then use it for energy. So, respiration occurs at all times in the human body, and is essential for survival.
Answer:
A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Now put that into your own words.
Explanation:
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