Relative dating is an effective way to determine the age of rocks as lower sedimentary rocks are older than the upper rocks.
What are sedimentary rocks?They are the types of rocks which are formed as a result of accumulation of minerals or organic particles at the surface of the earth.Sedimentation is the name given to a collective process which cause the particles to settle.
The study of sedimentary rocks is useful in civil engineering and as important sources of coal, fossil fuels and ores.The color of sedimentary rock is often determined by iron content and sometimes due to the presence of organic matter.
They are classified based on origin in to 4 types which are clastic, biochemical ,chemical and other sedimentary rocks.While based on composition they are classified as siliciclastic,carbonate ,evaporite,organic rich,siliceous ,iron-rich and phosphatic sedimentary rocks.
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When ice is melting, what happens with the temperature?
Answer:
When ice is melting the temperature increases.
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Heat is being transferred from the ground to the air above it by conduction. Explain how this is possible.
Answer:
Conduction directly affects air temperature only a few centimeters into the atmosphere. During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.
Explanation:
Heredity
Genes
Alleles
Genotype
Phenotype
Dominant
Recessive
Incomplete Dominance
Codominance
Please define these words
Genes - A distance sequence of nucleotides.