Answer:
Predicting earthquakes is complex task and some precursors are given below.
Explanation:
- To find out the magnitude of the earthquakes the branch of science named precursory is used to study the occurrence of and identify the earthquake. Also called earthquake forecasting, some natural events that take place are given as under.
1. Changes in animal behavior: Certain animals can respond to the P-waves that are being generated.
2. Emission of Radon gas: is most rocks contain this gas, as this gas can be isotopically distinguished. It's attributed to being release pre-seismic stress or shock waves.
3. Breaking of an ice sheet or landslides: These may be issued before some large earthquake.
4. Magnetic and electric charges like the density and thickness in the rock mass.
5. Shaking and vibration of water bodies.
Explanation:
For the specified objectives, demographic training is important in the education system: it is mindful of the cultural and ecological factors and effects of population density. It conveys awareness and alters people's thoughts and actions towards the community.
<u>ANSWER </u><u>:</u>
<u>Rotation & Revolution : </u>
❥ Rotation :
Rotation refers to an object's spinning motion about its own axis.
❥ Revolution :
Revolution refers the object's orbital motion around another object
<u>Mass & Weight :</u>
❥ Mass :
Mass is simply the measure of the amount of matter in a body.
❥ Weight :
Weight is the measure of the amount of force acting on a mass due to acceleration due to gravity.
Hope it helps ya...!!♡
They are Cyanobacteria from Australia.