Answer:
A heliocentric model of the solar system is the model in which the Sun is at the center of the solar system, and the Earth and planets all revolve around it.
Explanation:
The Heliocentric model was developed by the German astronomer, Nicolaus Copernicus in 2nd Century AD. This model was in opposition to the geocentric model, which stated that the Earth, and not the Sun, was at the center of the solar system. The Heliocentric model first faced tremendous criticism from supporters of the geocentric model. However, it was later accepted as an accurate representation of the solar system due to its mathematical validity and overall simplicity. The attached image represents the Heliocentric model.
Answer:
The answer is C)
Explanation:
The predators were unable to keep the population of the mussels down. The mussels took more area of the rock. Other species that needed space did not return to the tidal pool. Otters can also be keystone species as they eat urchins. By doing so, they prevent the sea urchins form eating all the kelp plants and removing the entire habitat for many other species. The Keystone Species theory shows that this impact of few predators, that made up a minor amount of the total species, could have such a high impact on the ecosystem.
Answer:
A. absorbs wave energy and can slow the undercutting of coastal cliffs
Explanation:
- A rip rap is known as a rock armor is a man placed rocks that are used as a shield to protect the shorelines streambeds and bridges and other structures against the water, waves and ice erosion and the most common type includes the granites and concrete.
- Mostly is used as a method of protection form erosion and keeps the coastlines clean and clear form the impacts can be also used to connect of joining the water highways along the coasts.
Answer: Compare the standard of living for the country you chose with that of the United States. Write this comparison in at least three to five sentences. HOPE THIS HELPS
Explanation:
