Answer: Geologic time is divided into units. Major changes in the earth's surface or climate and the extinction of species help to divide the time scale into smaller units.
Explanation: Rocks grouped within each unit contain a similar fossil record.
Answer: Water
Fats are a subgroup of compounds known as lipids that are found in the body and have the general property of being hydrophobic (meaning they are insoluble in water)
water refers to a chemical substance consisting of two hydrogen atoms attached to the central oxygen atom via a covalent bond.
Explanation:
1L=0.264gal
=>3784L=999.627 Gal
Answer:
Both ammonia and chlorine are soluble in water and hence, would dissolve in water if substance X is water and could not be collected. Ammonia gas would react with concentrated sulphuric acid to produce a salt and as ammonia is less dense than air, it should not be collected via a downwards delivery method.
It's called radioactive dating
