Answer:
Seismic waves are recorded by a machine called a seismograph, which tells us about the strength and speed of the seismic waves
Explanation:
The sun moves about 1 degree to the east every (one earth) day relative to the stars. It takes the Sun one year (365.25 earth days) to make a full circle and return back to its original spot.
Answer:
On the basis of the temperature data he collected from different weather stations set up by the Tsar, Humboldt constructed the first world map of average temperature in which he used lines to connect points of equal temperature, called isotherms
Explanation:
This just a little search on Wikipedia it might help you
An estuary is where salt water and fresh water meet. Estuaries are usually found at the edge of the coast, where the ocean water, or salty water, meets river, lake, any fresh water source, water.
A tributary is something completely different. It is a, usually smaller than the main river or lake, river/stream stemming off a bigger river or lake, or flowing into that river or lake.
