Answer: Igneous Rock
Explanation: Radiometric dating is used to date rocks by measuring the decay of their composite materials. Stable isotopes remain the same over time while the nucleus of an unstable or radioactive isotope will decay to form other isotopes
.
Dating rocks using Isotopic methods uses the decay time of the isotope in the rock to assess its age. The accuracy of this method is assured by the fact that when these isotopes decay, they are retained in the rock. Isotopic dating is not very accurate in sedimentary rocks because they contain particles from older rocks.
the answer to this question is letter A
The best type of map for displaying or representing population density would be choropleth maps. These maps are excellent for displaying numerical values on a map. They display data in shades of a single color with the lighter colors representing smaller values and the more intense colors representing higher numerical values.
Weather is determined by the values of meteorological factors: temperature, air umididatea, wind direction and speed, atmospheric pressure, air turbulence, the amount and type of precipitation. These factors are measured by specific instruments - thermometers, barometers, hydrometers, weathervane to The measured values over long periods of time (years or decades) statistically give us information about the climate of a region.
