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.
Basically it means when something is moving in a line and is rotating in a larger system at the same time it appears to move. If you look it up online you can easily find a picture or two that should explain it pretty well.
Answer:
Granite changes into sandstone by means of weathering and erosion. Through the passage of time, fragments of granite are broken down into smaller pieces, or sediments, which are transported and deposited at the bottom of the oceans or rivers. These particles form layers of sand and pebbles that undergo compaction and cementation to create sandstone.
Answer: A) switch from crops to livestock.
Hope this helps, sorry if I got this wrong.
Answer:
5,778 K
Explanation:
The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light). The sun's surface is about 6,000 Kelvin, which is 10,340 degrees Fahrenheit (5,726 degrees Celsius).
