the nitrogen cycle involves decompisition. and the waste from the animals is then turned into nitrogen.
1.) atom ; tissue
2.) cell
3.) organ system
4.) true
5.) atom
6.) Particle
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Environments are always changing so organisms need to adapt to survive. The organisms that survive are the ones that are fit to live in that environment, which is where survival of the fittest comes into play.
I would say A.
B and C can be eliminated because they have to do with using resources more efficiently. Now we're down to A and D, and of the two, I'd say A is most plausible. Globalization is the connection of the world with each other. With all this technology, companies see endless possibilities to sell their products. They use more and more natural resources, which can deplete those resources quickly.
The answer are plants im sure
