False, igneous rocks may classified by chemical composition but may not be crystallized together in the same rock. SO there are always different minerals in igneous rocks.
Answer: 1917, two revolutions swept through Russia, ending centuries of imperial rule and setting into motion political and social changes that would lead to the formation of the Soviet Union.
Explanation:
The seismic activity density of the year for Alaska will be smaller than that of California if Alaska has more land area than California.
It should be noted that the seismic activity of a region simply means the ratio of the number of earthquakes that occur in the period to the land area.
Based on the information given, the seismic activity density of the year for Alaska will be smaller than for California if Alaska had more land area. From the complete question, the number of earthquakes from the information given will be 18020 earthquakes.
Learn more about seismic activities on:
brainly.com/question/13968094
Answer:
It would<u> reduce the dependence on traditional ways of living.</u>
Explanation:
- Living in a place were water and space are heated directly by sunlight or sun influence would be quiet interesting and challenging as the sun is the nearest star to planet earth and this star will continue to grow in size, and also the resources on surface of earth are finite and thus any overuse of these resources can lead to their depletion.
- Use of this solar light or heat is essential as its an inexhaustible resource that can be stored at specific temperatures and used in terms of lightning, billing waters from heat generated by sun photovoltaic cells.
- The same energy that is needed r warm the surface of the earth falling on rooftops of the house can recharge the energy bill of the entire country for which sun harvesting has to be implemented.
- Like solar terracing and many farmers and people have done gardening on their roofs and many innovative techniques are being developed for a sustainable future.
