1. distribute → 3q-15= 2q +10
2. combine like terms → q=25
Answer:
The Hadean eon represents the time interval between 4.6 billion to 4 billion years back. It is marked by the initial formation of the earth , right from the time of gathering and accumulation of interstellar dust particles and gases, and there was frequent collision between the planetesimals of relatively larger in size. The core and the crust formed and started to become stable and also gradually led to the formation and expansion of the ocean and the earth's atmosphere.
This is how the earth gradually started to form and develop and took the shape during the time interval between 4.6 billion to 4.2 billion years old, and where the oldest rocks found on earth is dated from about 4.2 billion years in the past.
The Biosphere is the answer that ur looking for
The lateral line system, which allows them to detct movement and vibrations in the water.
Answer:
Triangulation method
Explanation:
- In triangulation method Scientist s take a paper.
- The sesmometers which are established in that area is shown as green dots.
- The calculated distance from each seismometer to the earthquake is shown as a circle.
- The point where all circles intercept eachother is known as the epicenter of the earthquake.
<u>E</u><u>a</u><u>r</u><u>t</u><u>h</u><u>q</u><u>u</u><u>a</u><u>k</u><u>e</u><u>:</u><u>-</u>
- Their are many plates moving inside earth's surface.
- When the plates collide with eachother a friction arises which is called earthquake.
