Explanation:
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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.
Answer: C. The overall temperature of the Earth will increase.
Explanation:
Let's begin by explaining that Earth has a layer, the atmosphere, that is almost transparent to solar radiation, which is composed mainly of shortwave radiation (ultraviolet (UV) and visible light). Then, this layer allows to pass most of the sunlight (visible light and a small part of the UV radiation), without being absorbed.
When this radiation reaches the Earth, it is absorbed by the water
), soil, plants, animals; well, everything that inhabits and also the buildings. Once this absorption process ends, the light turns into long wave (IR) radiation, generating heat that is then released into outer space and known as albedo.
However, due to climate change (caused by the humankind), the Earth now tends to absorb more energy than it emits to the space as IR radiation. If this process is mantained for a long term, the planet's global temperature will highly increase.