1. C
2. B
3. C
4. A
5. D
6. B
7. D
8. D
9. C
10. A
Answer:A, C
Explanation:
Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.
Mutualism is an association between organisms of two different species in which each benefits. Mutualistic arrangements are most likely to develop between organisms with widely different living requirements. In this case; The Lichens growing on the soil, stabilizes the sand so erosion does not occur supplies nitrogen through fixation. Destruction caused by humanity.
Answer:
Selective breeding
Explanation:
In order to get a dog that has specific desirable trait/s, then the owners of the dogs have to get involved. The involvement should be in the manner of only allowing dogs that have the same trait to breed between each other, but in no case to be allowed to breed with other dogs that do not posses that particular trait. In this way, the offspring will inherit the desirable trait from their parents, and if the selective breeding continues, then there will be a new dog type on the scene that will be unique by its trait/s.
Answer:
A
Explanation:
Looking at your diagram, the purple particles represent gas particles. They are most dense near sea level and the least dense near the top of the atmosphere.