Answer:
Air travel is usually the largest component of the carbon footprint of frequent flyers. A single return flight from London to New York – including the complicated effects on the high atmosphere – contributes to almost a quarter of the average person’s annual emissions. The easiest way to make a big difference is to go by train or not take as many flights.
2 The second most important lifestyle change is to eat less meat, with particular emphasis on meals containing beef and lamb. Cows and sheep emit large quantities of methane, a powerful global warming gas. A vegan diet might make as much as a 20% difference to your overall carbon impact but simply cutting out beef will deliver a significant benefit on its own.
The answer that you are looking for is:
B) invasive species
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Answer: c.The process of programmed cell death.
Explanation:
Apoptosis is a kind of programmed cell death process. This can be seen in multicellular organisms. This involves the biochemical changes in the body of the organism which lead to death of cells. The changes associated in the cell during this condition includes the cell shrinkage, blebbing, condensation of the chromatin, nuclear fragmentation, decay in mRNA, and DNA fragmentation.
Answer: A
Explanation: Stainless steel