Evolutionary biologist hope this helps
Answer: An emission nebula is a cloud of ionized gas. The most common source for ionizations are high energy photons emitted from a nearby star. These can be among some of the most colorful objects in the sky. Reflection Nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars.
Explanation:
B. Preservation- the act of keeping something free of damage
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.
